We found one dictionary that defines the word joint returns:

General (1 matching dictionary)

1. joint returns: Vocabulary.com

(Note: See joint_return as well.)

Definitions from WordNet (joint return) ▸ noun:  a return filed by a husband and wife ▸ Also see joint_return ▸ Words similar to joint returns ▸ Usage examples for joint returns ▸ Idioms related to joint returns ▸ Wikipedia articles (New!) ▸ Words that often appear near joint returns ▸ Rhymes of joint returns ▸ Invented words related to joint returns