Acorn
Pronunciation : A"corn
Part of Speech : n.
Etymology : [AS. ?cern, fr. ?cer field, acre; akin to D. aker acorn, Ger. ecker, Icel. akarn, Dan. agern, Goth. akran fruit, akrs field; -- orig. fruit of the field. See Acre.]
Definition : 1. The fruit of the oak, being an oval nut growing in a woody cup or cupule.
2. (Naut.)
Defn: A cone-shaped piece of wood on the point of the spindle above the vane, on the mast-head.
3. (Zo?l.)
Defn: See Acorn-shell.
Source : Webster's Unabridged Dictionary, 1913