vallecular

== English == === Etymology === From vallecula +‎ -ar, derived from diminutive of Latin valles (“valley”). === Adjective === vallecular (not comparable) (medicine) Grooved; pertaining to a vallecula. (botany) Of or relating to a channel between the nodes of the stem of some species of Equisetum. === References === Vallecular, Dorland's Illustrated Medical Dictionary, 2004. WB Saunders, an Elsevier imprint.