The Collaborative International Dictionary of English v.0.48:

Batsman \Bats"man\, n.; pl. Batsmen.
   The one who wields the bat in cricket, baseball, etc.; in
   baseball, the batsman is usually called the batter.
   [1913 Webster +PJC] Bat's-wing

The Collaborative International Dictionary of English v.0.48:

Batter \Bat"ter\ (b[a^]t"t[~e]r), v. t. [imp. & p. p. Battered
   (b[a^]t"t[~e]rd); p. pr. & vb. n. Battering.] [OE. bateren,
   OF. batre, F. battre, fr. LL. battere, for L. batuere to
   strike, beat; of unknown origin. Cf. Abate, Bate to
   abate.]
   [1913 Webster]
   1. To beat with successive blows; to beat repeatedly and with
      violence, so as to bruise, shatter, or demolish; as, to
      batter a wall or rampart.
      [1913 Webster]

   2. To wear or impair as if by beating or by hard usage. "Each
      battered jade." --Pope.
      [1913 Webster]

   3. (Metallurgy) To flatten (metal) by hammering, so as to
      compress it inwardly and spread it outwardly.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Batter \Bat"ter\, n. [OE. batere, batire; cf. OF. bateure,
   bature, a beating. See Batter, v. t.]
   1. A semi-liquid mixture of several ingredients, as, flour,
      eggs, milk, etc., beaten together and used in cookery.
      --King.
      [1913 Webster]

   2. Paste of clay or loam. --Holland.
      [1913 Webster]

   3. (Printing) A bruise on the face of a plate or of type in
      the form.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Batter \Bat"ter\, n.
   A backward slope in the face of a wall or of a bank; receding
   slope.
   [1913 Webster]

   Batter rule, an instrument consisting of a rule or frame,
      and a plumb line, by which the batter or slope of a wall
      is regulated in building.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Batter \Bat"ter\, v. i. (Arch.)
   To slope gently backward.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Batter \Bat"ter\ (b[a^]t"t[~e]r), n.
   The one who wields the bat in baseball; the one whose turn it
   is at bat; formerly called the batsman.
   [1913 Webster +PJC]

WordNet (r) 3.0 (2006):

batter
    n 1: (baseball) a ballplayer who is batting [syn: batter,
         hitter, slugger, batsman]
    2: a liquid or semiliquid mixture, as of flour, eggs, and milk,
       used in cooking
    v 1: strike against forcefully; "Winds buffeted the tent" [syn:
         buffet, knock about, batter]
    2: strike violently and repeatedly; "She clobbered the man who
       tried to attack her" [syn: clobber, baste, batter]
    3: make a dent or impression in; "dinge a soft hat" [syn:
       dinge, batter]

Moby Thesaurus II by Grady Ward, 1.0:

186 Moby Thesaurus words for "batter":
   Beau Brummel, abuse, albumen, amateur athlete, archer, assault,
   athlete, attack, ballplayer, bang, barbarize, baseballer, baseman,
   bash, baste, battery, beat, beat up, belabor, blocking back,
   bombard, bonnyclabber, bowman, bruise, brutalize, buffet, bung,
   bung up, burn, butcher, butter, carry on, catcher, center, clabber,
   clobber, clout, coach, competitor, contuse, cornstarch, cream,
   cricketer, cripple, curd, defensive lineman, destroy, disable,
   disfigure, do violence to, do wrong by, do wrong to, dough, drub,
   egg white, end, flail, flap, footballer, games-player, gamester,
   gaum, gel, gelatin, glair, glop, glue, gluten, go on, goo, gook,
   goop, gruel, guard, gumbo, gunk, hammer, harm, hit, ill-treat,
   ill-use, infielder, injure, jam, jell, jelly, jock, jumper, knock,
   knock about, lacerate, lambaste, lame, larrup, lay waste, lineman,
   loblolly, loot, maim, maltreat, mangle, manhandle, maul, mishandle,
   mistreat, molasses, molest, mucilage, mucus, mug, mutilate,
   offensive lineman, outfield, outfielder, outrage, pap, paste,
   patter, pelt, pillage, player, poloist, pommel, porridge, pound,
   professional athlete, pudding, pugilist, pulp, pulverize, pummel,
   puree, putty, quarterback, racer, rage, ramp, rampage, rant, rap,
   rape, rave, riot, roar, rob, rough, rough up, ruin, sack, savage,
   semifluid, semiliquid, shatter, size, skater, slaughter,
   sledgehammer, smite, soup, sow chaos, spank, sport, sportsman,
   starch, sticky mess, storm, strike, syrup, tackle, tailback, tear,
   tear around, terrorize, thrash, thrash soundly, thresh, thump,
   toxophilite, treacle, vandalize, violate, wallop, whip, wingback,
   wreck, wrestler