Mainsail

//ˈmeɪnseɪl// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The largest (or only) sail on a sailing vessel.

    "The mainsail was "scandalised" - a nautical mode of describing a sail reefed at both ends[.]"

  2. 2
    the lowermost sail on the mainmast wordnet

Synonyms

All synonyms
jibmainmainsail

Example

More examples

"The mainsail was "scandalised" - a nautical mode of describing a sail reefed at both ends[.]"

Etymology

From main + sail.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.