Definition yam
Etymology 1
From Portuguese inhame and Spanish ñame, possibly from the Fula nyami (“to eat”). The term was spelled yam as early as 1657.
Noun
yam (plural yams)
- Any climbing vine of the genus Dioscorea in the Eastern and Western hemispheres, usually cultivated.
- The edible, starchy, tuberous root of that plant, a tropical staple food.
- (US) A sweet potato; a tuber from the species Ipomoea batatas.
- (Scotland) Potato.
- (New Zealand) A oca; a tuber from the species Oxalis tuberosa.
- (Malaysia, Singapore) Taro.
- An orange-brown colour, like the flesh of the yam. (Can we add an example for this sense?)
Etymology 2
Alternative form of hjem. Likely caused by Old Norse influence from Old Norse heim (“home, homewards”), the accusative form of heimr (“abode, world, land”), from Proto-Germanic *haimaz. More at home.
Noun
yam (plural yams)
- (regional, Cumberland) home