Meaning of First lieutenant
Unknown / অজানা / अज्ञात
being before all others with respect to time, order, rank, importance, etc., used as the ordinal number of one: the first edition; the first vice president.
Music. highest or chief among several voices or instruments of the same class: first alto; first horn.
Automotive. low1 (def 31).
(often initial capital letter) being a member of the household or an intimate acquaintance of the president of the U.S. or of the governor of a state: the First Lady; Checkers, the first dog.
before all others or anything else in time, order, rank, etc.