- Anything crescent-shaped; a crescent-shaped part or mark; a lunula or lune.
- A special area in front of the beak of many bivalve shells, sometimes shaped like a double crescent, but more often heart-shaped.
Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
Variant of lunula