aculeus

Từ điển Oxford Learners Wordfinder Dictionary

noun

1. a stiff sharp-pointed plant process
• Hypernyms:
plant process, enation
• Hyponyms:
spine, thorn, prickle, pricker, sticker, spikelet
2. a sharp-pointed process especially a sting of a hymenopterous insect
• Hypernyms:
stinger