We found 5 dictionaries that define the word topcat:

General (2 matching dictionaries)

1. TOPCAT: Dictionary.com
2. TOPCAT (software), Topcat: Wikipedia, the Free Encyclopedia

Miscellaneous (1 matching dictionary)

3. TOPCAT: Acronym Finder

Slang (2 matching dictionaries)

4. Topcat, Topcat: Urban Dictionary

Definitions from Wikipedia (Topcat) ▸ noun:  a one-design sailing catamaran boat class which is divided into several boat sizes. ▸ Words similar to topcat ▸ Usage examples for topcat ▸ Idioms related to topcat ▸ Wikipedia articles (New!) ▸ Popular adjectives describing topcat ▸ Words that often appear near topcat ▸ Rhymes of topcat ▸ Invented words related to topcat