We found 5 dictionaries that define the word topgallant masts:

General (4 matching dictionaries)

1. topgallant masts: Collins English Dictionary
2. topgallant masts: Vocabulary.com
3. topgallant-masts: Wordnik
4. topgallant masts: TheFreeDictionary.com

Computing (1 matching dictionary)

5. topgallant masts: Encyclopedia

(Note: See topgallant_mast as well.)

Definitions from WordNet (topgallant mast) ▸ noun:  a mast fixed to the head of a topmast on a square-rigged vessel ▸ Also see topgallant_mast ▸ Words similar to topgallant masts ▸ Usage examples for topgallant masts ▸ Idioms related to topgallant masts ▸ Wikipedia articles (New!) ▸ Words that often appear near topgallant masts ▸ Rhymes of topgallant masts ▸ Invented words related to topgallant masts