IPA: //ˈʃɜːrtˌweɪst//
KK: /ˈʃɜrtˌweɪst/
A type of women's clothing that resembles a blouse or dress, often designed with features similar to men's shirts.
She wore a stylish shirtwaist to the party that highlighted her figure.
Shirtwaist → It is formed from "shirt" (from Old English *sceorta*, meaning a garment worn on the upper body) and "waist" (from Old English *waist*, meaning the part of the body between the ribs and hips). The word "shirtwaist" refers to a style of women's blouse that resembles a shirt and is fitted at the waist.
Think of a 'shirt' worn at the 'waist' — that's why a shirtwaist is a blouse that fits at the waist.
No commonly confused words.