na|stur|tium

na|stur|tium «nuh STUR shuhm, nas TUR-», noun.

1. a plant grown in gardens for its showy yellow, orange, or red flowers. It has sharp-tasting seeds and leaves. The seeds can be pickled and used as a substitute for capers.

2. its flower.

3. any one of a group of plants of the mustard family, with a pungent flavor, such as the water cress.

4. a reddish orange.

╂[< Latin nāsturtium, perhaps < nāsus nose + torquēre twist (from its pungent odor)]