spinosity†.
point, spike, spine, spicule [Biol.], spiculum†; needle, hypodermic
needle, tack, nail, pin; prick, prickle; spur, rowel, barb; spit, cusp;
horn, antler; snag; tag thorn, bristle; Adam's needle†, bear grass
[U.S.], tine, yucca.
nib, tooth, tusk; spoke, cog, ratchet.
crag, crest, arete [Fr.], cone peak, sugar loaf, pike, aiguille†;
spire, pyramid, steeple.
beard, chevaux de frise [Fr.], porcupine, hedgehog, brier,
bramble, thistle; comb; awn, beggar's lice, bur, burr, catchweed†,
cleavers, clivers†, goose, grass, hairif†, hariff, flax comb, hackle,
hatchel†, heckle.
wedge; knife edge, cutting edge; blade, edge tool, cutlery, knife,
penknife, whittle, razor, razor blade, safety razor, straight razor,
electric razor; scalpel; bistoury†, lancet; plowshare, coulter, colter†;
hatchet, ax, pickax, mattock, pick, adze, gill; billhook, cleaver,
cutter; scythe, sickle; scissors, shears, pruning shears, cutters, wire
cutters, nail clipper, paper cutter; sword &c (arms) 727; bodkin &c
(perforator) 262; belduque†, bowie knife†, paring knife; bushwhacker
[U.S.]; drawing knife, drawing shave; microtome [Micro.]; chisel,
screwdriver blade; flint blade; guillotine.
sharpener, hone, strop; grindstone, whetstone; novaculite†; steel,
emery.
V. be sharp &c adj.; taper to a point; bristle with.
render sharp &c adj.; sharpen, point, aculeate, whet, barb,
spiculate†, set, strop, grind; chip (flint).
cut &c (sunder) 44.
Adj. sharp, keen; acute; acicular, aciform†; aculeated†, acuminated†;
pointed; tapering; conical, pyramidal; mucronate†, mucronated†; spindle
shaped, needle shaped; spiked, spiky, ensiform†, peaked, salient;
cusped, cuspidate, cuspidated†; cornute†, cornuted†, cornicultate†;
prickly; spiny, spinous†, spicular; thorny, bristling, muricated†,
pectinated†, studded, thistly, briary†; craggy &c (rough) 256; snaggy,
digitated†, two-edged, fusiform [Micro.]; dentiform†, denticulated;
toothed; odontoid†; starlike; stellated†, stelliform†; sagittate†,
sagittiform†; arrowheaded†; arrowy†, barbed, spurred.
acinaciform; apiculate†, apiculated†; aristate†, awned, awny†,
bearded, calamiform†, cone-shaped, coniform†, crestate†, echinate†,
gladiate†; lanceolate†, lanciform; awl, awl-shaped, lance-shaped, awl-
shaped, scimitar-shaped, sword-shaped; setarious†, spinuliferous†,
subulate†, tetrahedral, xiphoid†.
cutting; sharp edged, knife edged; sharp as a razor, keen as a
razor; sharp as a needle, sharp as a tack; sharpened &c v.; set