undermate

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noun

A junior officer on board a ship.

Scrabble 12
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Meanings

nounundermate (plural undermates)

plural undermates

  1. A junior officer on board a ship.

    Twice I actually hired myself as an under-mate in a Greenland whaler, and acquitted myself to admiration.

    1816 June – 1817 April/May (date written), [Mary Shelley], Frankenstein; or, The Modern Prometheus. […], volume (please specify |volume=I to III), London: […] [Macdonald and Son] for Lackington, Hughes, Harding, Mavor, & Jones, published 1 January 1818, →OCLC

Origin

From under- + mate.

Full word history & related roots →
Cite this entry
APA

undermate. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/undermate

MLA

“undermate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/undermate. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “undermate,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/undermate.

Source: undermate on Wiktionary, CC BY-SA 4.0.