Wordnet 3.0
NOUN (1)
1.
not wearing a jacket;
- Example: "in your shirtsleeves" means you are not wearing anything over your shirt;
- Example: "in hot weather they dined in their shirtsleeves"
WordNet (r) 3.0 (2006):
shirtsleeves
n 1: not wearing a jacket; "in your shirtsleeves" means you are
not wearing anything over your shirt; "in hot weather they
dined in their shirtsleeves"