from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various New World plants of the genus Tropaeolum, having pungent juice and long-spurred, usually yellow, orange, or red irregular flowers.
- n. A brilliant orange yellow.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The popular name of the Tropaeolum genus of flowering plants native to south and central America.
- n. A genus, Nasturtium, that includes watercress.
Middle English nasturcium, a kind of cress, from Latin nasturtium : perhaps nāsus, nose; + *tortāre, frequentative of torquēre, to twist (from its pungent smell).(American Heritage® Dictionary of the English Language, Fourth Edition)