- Acorn barnacle
See under 1 (def 1). any marine crustacean of the subclass Cirripedia, usually having a calcareous shell, being either stalked (goose barnacle) and attaching itself to ship bottoms and floating timber, or stalkless (rock barnacle or acorn barnacle) and attaching itself to rocks, especially in the intertidal zone. a person or thing that clings tenaciously. […]
- Acorn chair
a Jacobean chair having a crossrail with acorn-shaped pendants.
- Acorn clock
a mantel clock of the first half of the 19th century, having the upper part of the case shaped with a double ogee curve to resemble an acorn.
- Acorn computers ltd.
acorn computers ltd. company A UK computer manufacturer, part of the Acorn Computer Group plc. Acorn was founded on 1978-12-05, on a kitchen table in a back room. Their first creation was an electronic slot machine. After the Acorn System 1, 2 and 3, Acorn launched the first commercial microcomputer – the ATOM in March […]