\Grape\, n. [OF. grape, crape, bunch or cluster of grapes,
F. grappe, akin to F. grappin grapnel, hook; fr. OHG. chrapfo
hook, G. krapfen, akin to E. cramp. The sense seems to have
come from the idea of clutching. Cf. {Agraffe}, {Cramp},
{Grapnel}, {Grapple}.]
1. (Bot.) A well-known edible berry growing in pendent
   clusters or bunches on the grapevine. The berries are
   smooth-skinned, have a juicy pulp, and are cultivated in
   great quantities for table use and for making wine and
   raisins.
2. (Bot.) The plant which bears this fruit; the grapevine.
3. (Man.) A mangy tumor on the leg of a horse.
4. (Mil.) Grapeshot.
{Grape borer}. (Zo["o]l.) See {Vine borer}.
{Grape curculio} (Zo["o]l.), a minute black weevil
   ({Craponius in[ae]qualis}) which in the larval state eats
   the interior of grapes.
{Grape flower}, or
{Grape hyacinth} (Bot.), a liliaceous plant ({Muscari
   racemosum}) with small blue globular flowers in a dense
   raceme.
{Grape fungus} (Bot.), a fungus ({Oidium Tuckeri}) on
   grapevines; vine mildew.
{Grape hopper} (Zo["o]l.), a small yellow and red hemipterous
   insect, often very injurious to the leaves of the
   grapevine.
{Grape moth} (Zo["o]l.), a small moth ({Eudemis botrana}),
   which in the larval state eats the interior of grapes, and
   often binds them together with silk.
{Grape of a cannon}, the cascabel or knob at the breech.
{Grape sugar}. See {Glucose}.
{Grape worm} (Zo["o]l.), the larva of the grape moth.
{Sour grapes}, things which persons affect to despise because
   they can not possess them; -- in allusion to [AE]sop's
   fable of the fox and the grapes.