Long, One-Piece Underwear Worn in the 19th Century

This page is the CodyCross answer for the clue below from Professions, Group 1531, Puzzle 3 (Business Owner).

Question is: Long, One-Piece Underwear Worn in the 19th Century

and the answer is: UNIONSUIT

Word Meaning:

UNION SUIT — one-piece underwear, usually long, combining drawers and long-sleeved, button-front undershirt in a single garment, with a flap in the seat that can be opened for defecation.

Definitions from Wiktionary.