acorn
nounUK /ˈeɪ.kɔːn/
US /ˈeɪ.kɔːrn/
An acorn is the small brown nut that grows on an oak tree.
The squirrel buried an acorn under the leaves.
OTHER MEANINGS
2. The fruit of the oak tree, consisting of a nut enclosed in a woody cup.
Each acorn sits in a little cup at the end of a twig.
3. A small oval ornament or finial shaped like an acorn, used in woodwork or jewelry.
The old clock was topped with a carved wooden acorn.
4. A term of endearment for a small or young person, especially a child.
She called her little boy her sweet acorn.