The Collaborative International Dictionary of English v.0.48:

Spade \Spade\ (sp[=a]d), v. t. [imp. & p. p. Spaded; p. pr. &
   vb. n. Spading.]
   To dig with a spade; to pare off the sward of, as land, with
   a spade.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Spade \Spade\, n. [Cf. Spay, n.]
   1. (Zool.) A hart or stag three years old. [Written also
      spaid, spayade.]
      [1913 Webster]

   2. [Cf. L. spado.] A castrated man or beast.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Spade \Spade\, n. [AS. spaed; spada; akin to D. spade, G.
   spaten, Icel. spa[eth]i, Dan. & Sw. spade, L. spatha a
   spatula, a broad two-edged sword, a spathe, Gr. spa`qh. Cf.
   Epaulet, Spade at cards, Spathe, Spatula.]
   1. An implement for digging or cutting the ground, consisting
      usually of an oblong and nearly rectangular blade of iron,
      with a handle like that of a shovel. "With spade and
      pickax armed." --Milton.
      [1913 Webster]

   2. [Sp. espada, literally, a sword; -- so caused because
      these cards among the Spanish bear the figure of a sword.
      Sp. espada is fr. L. spatha, Gr. spa`qh. See the Etymology
      above.] One of that suit of cards each of which bears one
      or more figures resembling a spade.
      [1913 Webster]

            "Let spades be trumps!" she said.     --Pope.
      [1913 Webster]

   3. A cutting instrument used in flensing a whale.
      [1913 Webster]

   Spade bayonet, a bayonet with a broad blade which may be
      used digging; -- called also trowel bayonet.

   Spade handle (Mach.), the forked end of a connecting rod in
      which a pin is held at both ends. See Illust. of Knuckle
      joint, under Knuckle.
      [1913 Webster]

WordNet (r) 3.0 (2006):

spade
    n 1: a playing card in the major suit that has one or more black
         figures on it; "she led a low spade"; "spades were trumps"
    2: a sturdy hand shovel that can be pushed into the earth with
       the foot
    3: (ethnic slur) extremely offensive name for a Black person;
       "only a Black can call another Black a nigga" [syn: nigger,
       nigga, spade, coon, jigaboo, nigra]
    v 1: dig (up) with a spade; "I spade compost into the flower
         beds"

Moby Thesaurus II by Grady Ward, 1.0:

138 Moby Thesaurus words for "spade":
   American Indian, Amerind, Australian aborigine, Bushman, Caucasian,
   Indian, Malayan, Mister Charley, Mongolian, Negrillo, Negrito,
   Negro, Oriental, Red Indian, WASP, ace, backset, bail, best bower,
   black, black man, blackfellow, bore, bower, boy, brown man, bucket,
   burrhead, burrow, cards, clubs, colored person, coon, cultivate,
   culture, cup, cut, darky, decant, deck, delve, deuce, diamonds,
   dig, dig out, dike, dip, dish, dish out, dish up, dredge, dress,
   drill, drive, dummy, excavate, face cards, fallow, fertilize,
   flush, force, fork, full house, furrow, gook, gouge, gouge out,
   groove, grub, hand, harrow, hearts, hoe, honky, jack, jigaboo,
   joker, jungle bunny, king, knave, ladle, left bower, list, lower,
   mine, mulch, nigger, niggra, ofay, pack, pair, paleface,
   picture cards, playing cards, plow, pour, prune, pygmy, quarry,
   queen, rake, red man, redskin, round, royal flush, rubber, ruff,
   sap, scoop, scoop out, scrabble, scrape, scratch, shovel,
   singleton, sink, slant-eye, spades, spoon, straight, the Man, thin,
   thin out, till, till the soil, trench, trey, trick, trough, trump,
   tunnel, weed, weed out, white, white man, whitey, work,
   yellow man



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

SPADE
       Statistical Packet Anomaly Detection Engine (Snort, IDS)


The Free On-line Dictionary of Computing (30 December 2018):

SPADE

   Specification Processing And Dependency Extraction.
   Specification language.  G.S. Boddy, ICL Mainframes Div,
   FLAG/UD/3DR.003


U.S. Gazetteer Places (2000):

Spade, TX -- U.S. Census Designated Place in Texas
   Population (2000):    100
   Housing Units (2000): 49
   Land area (2000):     1.959316 sq. miles (5.074604 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    1.959316 sq. miles (5.074604 sq. km)
   FIPS code:            69380
   Located within:       Texas (TX), FIPS 48
   Location:             33.918381 N, 102.149654 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Spade, TX
    Spade