#1 routine n. [modus operandi] an unvarying or habitual method or procedure. wn
#2 routine n. [act, number, turn, bit] a short theatrical performance that is part of a longer program; "he did his act three times every evening"; "she had a catchy little routine"; "it was one of the best numbers he ever did". wn
#3 routine n. [subroutine, subprogram, procedure, function] a set sequence of steps, part of larger computer program. wn
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