Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. occurring every 1.5 years or 18 months.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin sesqui-, one and a half + annus, year

Examples

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Comments

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  • You have to know what this word means to join linguistics club according to xkcd.

    November 18, 2015