noun. a hole through which you put your arm and where a sleeve can be attached.
- arm (English)
- arm (Middle English (1100-1500))
- hole (English)
Example sentences of the word armhole
1. Noun, singular or mass
Put on the shirt with your left arm through the left armhole and your head and right arm through the neck hole.
Fold each sleeve in half widthwise and place them in the armhole openings so the bottom edge is at the midway point of the armhole.