- acorn
- (n.) The fruit of the oak, being an oval nut growing in a woody cup or cupule.
- (n.) A cone-shaped piece of wood on the point of the spindle above the vane, on the mast-head.
- (n.) See Acorn-shell.
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Definition for: RACON
- racon
- A device that, on receiving radar signals, transmits coded signals in response to help navigators determine their position