acorn

[ ey-kawrn, ey-kern ]
/ ˈeɪ kɔrn, ˈeɪ kərn /

noun

the typically ovoid fruit or nut of an oak, enclosed at the base by a cupule.
a finial or knop, as on a piece of furniture, in the form of an acorn.

Origin of acorn

before 1000; Middle English acorne (influenced by corn1), replacing akern, Old English æcern, æcren mast, oak-mast; cognate with Old Norse akarn fruit of wild trees, Middle High German ackeran acorn, Gothic akran fruit, yield < Germanic *akrana-; alleged derivation from base of acre is dubious if original reference was to wild trees

OTHER WORDS FROM acorn

a·corned, adjective

Example sentences from the Web for acorn

British Dictionary definitions for acorn

acorn
/ (ˈeɪkɔːn) /

noun

the fruit of an oak tree, consisting of a smooth thick-walled nut in a woody scaly cuplike base

Word Origin for acorn

C16: a variant (through influence of corn) of Old English æcern the fruit of a tree, acorn; related to Gothic akran fruit, yield