Point formed by two intersecting arcs (as from the intrados of a Gothic arch).
Roget 244:
angularity,
angularness†;
aduncity†;
angle,
cusp,
bend;
fold
etc.
258;
notch
etc.
257;
fork,
bifurcation.
elbow,
knee,
knuckle,
ankle,
groin,
crotch,
crutch,
crane,
fluke,
scythe,
sickle,
zigzag,
kimbo†,
akimbo.
corner,
nook,
recess,
niche,
oriel [Arch.],
coign†.
right angle
etc.
(perpendicular)
216.1,
212;
obliquity
etc.
217;
angle of 45 degrees,
miter;
acute angle,
obtuse angle,
salient angle,
reentering angle,
spherical angle.
angular measurement,
angular elevation,
angular distance,
angular velocity;
trigonometry,
goniometry;
altimetry†;
clinometer,
graphometer†,
goniometer;
theodolite;
sextant,
quadrant;
dichotomy.
triangle,
trigon†,
wedge;
rectangle,
square,
lozenge,
diamond;
rhomb,
rhombus;
quadrangle,
quadrilateral;
parallelogram;
quadrature;
polygon,
pentagon,
hexagon,
heptagon,
octagon,
oxygon†,
decagon.
pyramid,
cone.
Platonic bodies;
cube,
rhomboid;
tetrahedron,
pentahedron,
hexahedron,
octahedron,
dodecahedron,
icosahedron,
eicosahedron;
prism,
pyramid;
parallelopiped;
curb roof,
gambrel roof,
mansard roof.
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Roget 253:
sharpness
etc.
adj.;
acuity,
acumination†;
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
etc.
(arms)
727;
bodkin
etc.
(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.
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Dutch: spits, piek