definition of
secondary

[1] #1 secondary n. the defensive football players who line up behind the linemen. wn

[2] #2 secondary n. [secondary coil, secondary winding] coil such that current is induced in it by passing a current through the primary coil. wn

[3] #3 secondary s. [junior-grade, lower-ranking, lowly, petty, subaltern] inferior in rank or status; "the junior faculty"; "a lowly corporal"; "petty officialdom"; "a subordinate functionary". wn

[4] #4 secondary s. belonging to a lower class or rank. wn