ˈkres noun
( -es )
Etymology: Middle English cresse, from Old English cressa, cresse, cærse; akin to Middle Dutch kersse cress, Old High German kresso, kressa, and perhaps to Latin gramen grass, Greek grastis green fodder, gran to gnaw, Sanskrit grasati he eats, devours; basic meaning: eating, nibbling
1. : any of numerous plants of the family Cruciferae whose moderately pungent leaves are used in salads and garnishes: as
a. : watercress
b. : garden cress
2. : any plant that resembles a true cress — usually used with a qualifying word
Peter's cress