any of several small, leafy plants in the mustard family (Brassicaceae) that have a peppery or tangy flavor and are used raw in salads or as a garnish (includes garden cress, watercress, etc.).

アブラナ科の小さな葉を食用にする植物（辛みのあるサラダや薬味用の葉）。例：クレソン類

specifically, garden cress (Lepidium sativum) — a fast-growing, edible herb often grown for its young shoots and used as a garnish or in sandwiches.

特にガーデンクレス（Lepidium sativum）。若い芽を食用にする速く育つハーブ