We found one dictionary that defines the word thirda:

General (1 matching dictionary)

1. thirda: Rhymezone

Definitions from WordNet (thirda) ▸ adjective:  being one of three equal parts ▸ Words similar to thirda ▸ Usage examples for thirda ▸ Idioms related to thirda ▸ Wikipedia articles (New!) ▸ Popular nouns described by thirda ▸ Words that often appear near thirda ▸ Rhymes of thirda ▸ Invented words related to thirda