The fruit of the oak, being an oval nut growing in a woody cup or cupule. / (nautical) A cone-shaped piece of wood on the point of the spindle above the vane, on the mast-head.

Furnished or loaded with acorns / (rare) Fed or filled with acorns.

plural of acorn

plural of acorn squash

plural of acorn woodpecker

A species of woodpecker native to the area from the southwestern United States to Colombia, Melanerpes formicivorus.

plural of acorn-shell

One of the sessile cirripeds; a barnacle of the genus Balanus.

The involucre or cup in which the acorn is fixed.

Any of several varieties of a plant, Cucurbita pepo, being a dark green winter squash having yellow to orange flesh.