A"corn (#), n. [AS. aecern, fr. aecer 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.]
1.
The fruit of the oak, being an oval nut growing in a woody cup or cupule.
2. Naut.
A cone-shaped piece of wood on the point of the spindle above the vane, on the mast-head.
3. Zool.
See Acorn-shell.
© Webster 1913.