n. — Agriculture
a variety of rapeseed grown in North America.
Type: 1. Origin — In the early 1970s, canola was bred from rapeseed by researchers at the University of Manitoba and was named with the acronym some years later (see the 1979 quotations). Canola is of very high frequency in Canada in comparison to other countries (see Chart 1).
See also COD-2, s.v. "canola", Gage-3, s.v. "Canola", which is marked "Cdn. Trademark", ITP Nelson, s.v. "canola", and OED-3, s.v. "canola", which is marked as "orig. Canad.".
n. & adj. — Food & Drink
canola oil; the cooking oil made from canola (see Image 1).
Type: 1. Origin — See meaning 1.
Images:

Image 1: Canola oil. Photo: B. Ford
Chart 1: Internet Domain Search, 23 Aug. 2012