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Webster 1913 Edition

Noun.

[Pref.

sub

lieutenant

: cf. F.

sous-lieutenant

An inferior or second lieutenant; in the British service, a commissioned officer of the lowest rank.

Noun.

An officer in the royal regiment of artillery and fusileers, in which are no ensigns, and who is the same as second lieutenant.

See also: sub-lieutenant

sublieutenant ‎(plural sublieutenants)