Part of shell in 11 at sea

• One of a series of rounded teeth formed by curves along an edge (as the edge of a leaf or piece of cloth etc.)

WordNet Word definitions in WordNet
n. one of a series of rounded projections (or the notches between them) formed by curves along an edge (as the edge of a leaf or piece of cloth or the margin of a shell or a shriveled red blood cell observed in a hypertonic solution etc.) [syn: scallop ...

Wiktionary Word definitions in Wiktionary
n. 1 The contraction of, or formation of abnormal notchings around, the edges of a cell after exposure to a hypertonic solution, due to the loss of water through osmosis, especially noticeable in red blood cells. 2 (context botany English) A rounded tooth ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Crenation \Cre*na"tion\ (kr?-n?"sh?n), n. (Bot.) A rounded tooth on the edge of a leaf. The condition of being crenate.

Wikipedia Word definitions in Wikipedia
Crenation (from modern Latin crenatus meaning 'scalloped or notched', from popular Latin crena meaning 'notch') in botany and zoology, describes an object's shape, especially a leaf or shell, as being round-toothed or having a scalloped edge. The descriptor ...