vallecula
Concise Oxford English Dictionary © 2008 Oxford University Press:
vallecula /vaˈlɛkjʊlə/
▶noun (pl. valleculae /-liː/) Anatomy & Botany a groove or furrow.
– derivatives
vallecular adjective.
vallecular adjective.
– origin C19: from a late L. var. of L. vallicula, dimin. of L. vallis ‘valley’.
'vallecula' also found in these Oxford entries:

