lunula noun. ['lu:njʊlǝ] Pl. -lae [-li:]. L16.
[Latin, dim. of LUNA moon: see -ULE.]
1. Geometry. = LUNE noun³ 1. L16.

2. Archaeology. A gold crescent-shaped neck ornament of the early Bronze Age. E18.

3. Anatomy, Zoology, & Botany. = LUNULE 3. E19.
b. Anatomy. A crescent-shaped region of thin tissue on each side of the nodule on each cusp of a valve in the heart or aorta. M19.

4. Conchology. = LUNULE 4. M19.

[TahlilGaran] English Dictionary ▲