The Collaborative International Dictionary of English v.0.48:

Seam \Seam\, v. t. [imp. & p. p. Seamed; p. pr. & vb. n.
   Seaming.]
   1. To form a seam upon or of; to join by sewing together; to
      unite.
      [1913 Webster]

   2. To mark with something resembling a seam; to line; to
      scar.
      [1913 Webster]

            Seamed o'er with wounds which his own saber gave.
                                                  --Pope.
      [1913 Webster]

   3. To make the appearance of a seam in, as in knitting a
      stocking; hence, to knit with a certain stitch, like that
      in such knitting.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Seam \Seam\ (s[=e]m), n. [See Saim.]
   Grease; tallow; lard. [Obs. or Prov. Eng.] --Shak. --Dryden.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Seam \Seam\, n. [OE. seem, seam, AS. se['a]m; akin to D. zoom,
   OHG. soum, G. saum, LG. soom, Icel. saumr, Sw. & Dan. s["o]m,
   and E. sew. [root] 156. See Sew to fasten with thread.]
   1. The fold or line formed by sewing together two pieces of
      cloth or leather.
      [1913 Webster]

   2. Hence, a line of junction; a joint; a suture, as on a
      ship, a floor, or other structure; the line of union, or
      joint, of two boards, planks, metal plates, etc.
      [1913 Webster]

            Precepts should be so finely wrought together . . .
            that no coarse seam may discover where they join.
                                                  --Addison.
      [1913 Webster]

   3. (Geol. & Mining) A thin layer or stratum; a narrow vein
      between two thicker strata; as, a seam of coal.
      [1913 Webster]

   4. A line or depression left by a cut or wound; a scar; a
      cicatrix.
      [1913 Webster]

   Seam blast, a blast made by putting the powder into seams
      or cracks of rocks.

   Seam lace, a lace used by carriage makers to cover seams
      and edges; -- called also seaming lace.

   Seam presser. (Agric.)
      (a) A heavy roller to press down newly plowed furrows.
      (b) A tailor's sadiron for pressing seams. --Knight.

   Seam set, a set for flattering the seams of metal sheets,
      leather work, etc.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Seam \Seam\, v. i.
   To become ridgy; to crack open.
   [1913 Webster]

         Later their lips began to parch and seam. --L. Wallace.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Seam \Seam\, n. [AS. se['a]m, LL. sauma, L. sagma a packsaddle,
   fr. Gr. ?. See Sumpter.]
   A denomination of weight or measure. Specifically:
   (a) The quantity of eight bushels of grain. "A seam of oats."
       --P. Plowman.
   (b) The quantity of 120 pounds of glass. [Eng.]
       [1913 Webster]

WordNet (r) 3.0 (2006):

seam
    n 1: joint consisting of a line formed by joining two pieces
    2: a slight depression in the smoothness of a surface; "his face
       has many lines"; "ironing gets rid of most wrinkles" [syn:
       wrinkle, furrow, crease, crinkle, seam, line]
    3: a stratum of ore or coal thick enough to be mined with
       profit; "he worked in the coal beds" [syn: seam, bed]
    v 1: put together with a seam; "seam a dress"

Moby Thesaurus II by Grady Ward, 1.0:

207 Moby Thesaurus words for "seam":
   abysm, abyss, ankle, arroyo, articulation, band, bed, bedding,
   belt, blaze, blaze a trail, blemish, blotch, bond, boundary,
   box canyon, brand, breach, break, butt, canyon, cavity, cervix,
   chalk, chalk up, chap, chasm, check, check off, chimney, chink,
   cicatrix, cicatrize, cleft, cleuch, clinch, closure, clough, col,
   connecting link, connecting rod, connection, couche, coulee,
   couloir, coupling, course, crack, cranny, crevasse, crevice, cut,
   cwm, dapple, dash, deck, defile, define, delimit, dell, demarcate,
   dike, discolor, ditch, donga, dot, dovetail, draw, elbow, embrace,
   engrave, excavation, fault, fissure, flaw, fleck, floor, flume,
   fracture, freckle, furrow, gallery, gap, gape, gash, gliding joint,
   gorge, groove, gulch, gulf, gully, hatch, hinge, hinged joint, hip,
   hole, impress, imprint, incision, interface, join, joining, joint,
   junction, juncture, kloof, knee, knuckle, layer, leak, ledge,
   level, line, link, lode, make a mark, mark, mark off, mark out,
   measures, miter, moat, mortise, mottle, neck, nick, notch, nullah,
   opening, overlayer, overstory, pass, passage, pencil, pepper,
   pivot, pivot joint, point, prick, print, punch, punctuate,
   puncture, rabbet, ravine, rent, riddle, ridge, rift, rime, rupture,
   scar, scarf, scarify, scissure, score, scotch, scratch, seal,
   shelf, shoulder, slit, slot, speck, speckle, split, splotch, spot,
   stage, stain, stamp, step, stigmatize, stitch, story, stratum,
   streak, striate, stripe, substratum, superstratum, suture,
   symphysis, tattoo, thickness, tick, tick off, tie rod, tier,
   toggle, toggle joint, topsoil, trace, trench, underlayer,
   underline, underscore, understory, understratum, union, valley,
   vein, void, wadi, weld, wrist, zone