Acorn
Acorn ({not transcribed}) , noun
[Anglo-Saxon acern, from acer field, acre; akin to Dutch aker acorn, German ecker, Icelandic akarn, Danish agern, Gothic 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.
(Nautical) A cone-shaped piece of wood on the point of the spindle above the vane, on the mast-head.
3.
(Zoology) See Acorn-shell.