from the GNU version of the Collaborative International Dictionary of English
- n. a natural family of plants with four-petaled flowers.
from The Century Dictionary and Cyclopedia
- A family of dicotyledonous choripetalous plants of the order Papaverales, the mustard family, typified by the genus Brassica.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives
Sorry, no etymologies found.
Said to translate as "mountain hollyhock" and widely known as "Japanese horseradish," wasabi is part of the brassicaceae family, which includes cabbage and mustard.