Main Entry: ¹un·du·late

Pronunciation: \ˈən-jə-lət, ˈən-dyə-, ˈən-də-, -ˌlāt\

Variant(s): or un·du·lat·ed \-ˌlā-təd\

Function: adjective

Etymology: Latin undulatus, from *undula, diminutive of unda wave — more at water

Date: 1658

: having a wavy surface, edge, or markings <the undulate margin of a leaf>