- a blouse worn under another.
- such a blouse to which other undergarments are pinned or buttoned, worn by infants and small children.
Origin of underwaist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for underwaist
Materials: Pupils may furnish their own materials for an underwaist such as they wear.Handicraft for Girls
She goes chasing out in her underwaist and petticoat sometimes.
Maria had a beautiful neck showing above the lace of her underwaist.By the Light of the Soul
Mary E. Wilkins Freeman
Is your uncle rich enough for you to have a governessand you go trailing round in your underwaist and petticoat!