Meaning of SECONDARY in English

SECONDARY

n.

Function: noun

Inflected Form: plural -ar · ies

Date: 15th century

1 : one occupying a subordinate or auxiliary position rather than that of a principal

2 : a defensive football backfield

3 : the coil through which the secondary current passes in an induction coil or transformer ― called also secondary coil

4 : any of the quill feathers of the forearm of a bird ― see WING illustration

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.