Search Result for "helmet": 
Wordnet 3.0

NOUN (2)

1. armor plate that protects the head;

2. a protective headgear made of hard material to resist blows;


The Collaborative International Dictionary of English v.0.48:

Hood \Hood\, n. [OE. hood, hod, AS. h[=o]d; akin to D. hoed hat, G. hut, OHG. huot, also to E. hat, and prob. to E. heed. [root]13.] 1. State; condition. [Obs.] [1913 Webster] How could thou ween, through that disguised hood To hide thy state from being understood? --Spenser. [1913 Webster] 2. A covering or garment for the head or the head and shoulders, often attached to the body garment; especially: (a) A soft covering for the head, worn by women, which leaves only the face exposed. (b) A part of a monk's outer garment, with which he covers his head; a cowl. "All hoods make not monks." --Shak. (c) A like appendage to a cloak or loose overcoat, that may be drawn up over the head at pleasure. (d) An ornamental fold at the back of an academic gown or ecclesiastical vestment; as, a master's hood. (e) A covering for a horse's head. (f) (Falconry) A covering for a hawk's head and eyes. See Illust. of Falcon. [1913 Webster] 3. Anything resembling a hood in form or use; as: (a) The top or head of a carriage. (b) A chimney top, often contrived to secure a constant draught by turning with the wind. (c) A projecting cover above a hearth, forming the upper part of the fireplace, and confining the smoke to the flue. (d) The top of a pump. (e) (Ord.) A covering for a mortar. (f) (Bot.) The hood-shaped upper petal of some flowers, as of monkshood; -- called also helmet. --Gray. (g) (Naut.) A covering or porch for a companion hatch. [1913 Webster] 4. (Shipbuilding) The endmost plank of a strake which reaches the stem or stern. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

Helmet \Hel"met\, n. [OF. helmet, a dim of helme, F. heaume; of Teutonic origin; cf. G. helm, akin to AS. & OS. helm, D. helm, helmet, Icel. hj[=a]lmr, Sw. hjelm, Dan. hielm, Goth. hilms; and prob. from the root of AS. helan to hide, to hele; cf. also Lith. szalmas, Russ. shleme, Skr. [,c]arman protection. [root]17. Cf. Hele, Hell, Helm a helmet.] 1. (Armor) A defensive covering for the head. See Casque, Headpiece, Morion, Sallet, and Illust. of Beaver. [1913 Webster] 2. (Her.) The representation of a helmet over shields or coats of arms, denoting gradations of rank by modifications of form. [1913 Webster] 3. A helmet-shaped hat, made of cork, felt, metal, or other suitable material, worn as part of the uniform of soldiers, firemen, etc., also worn in hot countries as a protection from the heat of the sun. [1913 Webster] 4. That which resembles a helmet in form, position, etc.; as: (a) (Chem.) The upper part of a retort. --Boyle. (b) (Bot.) The hood-formed upper sepal or petal of some flowers, as of the monkshood or the snapdragon. (c) (Zool.) A naked shield or protuberance on the top or fore part of the head of a bird. [1913 Webster] Helmet beetle (Zool.), a leaf-eating beetle of the family Chrysomelid[ae], having a short, broad, and flattened body. Many species are known. Helmet shell (Zool.), one of many species of tropical marine univalve shells belonging to Cassis and allied genera. Many of them are large and handsome; several are used for cutting as cameos, and hence are called cameo shells. See King conch. Helmet shrike (Zool.), an African wood shrike of the genus Prionodon, having a large crest. [1913 Webster]
WordNet (r) 3.0 (2006):

helmet n 1: armor plate that protects the head 2: a protective headgear made of hard material to resist blows
Moby Thesaurus II by Grady Ward, 1.0:

162 Moby Thesaurus words for "helmet": achievement, aegis, alerion, animal charge, annulet, argent, arm guard, armorial bearings, armory, arms, azure, backstop, bandeau, bar, bar sinister, baton, bearings, bend, bend sinister, billet, blazon, blazonry, bordure, broad arrow, buffer, bulwark, bumper, cadency mark, canton, chaplet, charge, chevron, chief, coat of arms, cockatrice, contraceptive, copyright, coronet, crash helmet, crescent, crest, cross, cross moline, crown, cushion, dashboard, device, difference, differencing, dodger, eagle, ermine, ermines, erminites, erminois, escutcheon, face mask, falcon, fender, fess, fess point, field, file, finger guard, flanch, fleur-de-lis, foot guard, fret, fur, fuse, fusil, garland, goggles, governor, griffin, guard, guardrail, gules, gyron, hand guard, handrail, hard hat, hatchment, heraldic device, honor point, impalement, impaling, inescutcheon, insulation, interlock, knee guard, knuckle guard, label, laminated glass, life preserver, lifeline, lightning conductor, lightning rod, lion, lozenge, mantling, marshaling, martlet, mascle, mask, metal, motto, mudguard, mullet, nombril point, nose guard, octofoil, or, ordinary, orle, pad, padding, pale, palladium, paly, patent, pean, pheon, pilot, preventive, prophylactic, protective clothing, protective umbrella, purpure, quarter, quartering, rose, sable, safeguard, safety, safety glass, safety plug, safety rail, safety shoes, safety switch, safety valve, saltire, screen, scutcheon, seat belt, shield, shin guard, spread eagle, subordinary, sun helmet, tenne, tincture, torse, tressure, umbrella, unicorn, vair, vert, windscreen, windshield, wreath, yale
Easton's 1897 Bible Dictionary:

Helmet (Heb. kob'a), a cap for the defence of the head (1 Sam. 17:5, 38). In the New Testament the Greek equivalent is used (Eph. 6:17; 1 Thess. 5:8). (See ARMS.)