num-num
/nʊmˈnʊm/noun
1- S. African a white-flowered spiny southern African shrub or small tree which yields edible fruit〈南非〉假虎刺, 刺黄果 。
1.1
- Genus Carissa, family Apocynaceae.假虎刺属, 夹竹桃科。
词源
early 19th cent.: from Afrikaans noem-noem, perhaps from Nama.