(1)   Belonging to a lower class or rank
(2)   Not of major importance
"Played a secondary role in world events"
(3)   Being of second rank or importance or value; not direct or immediate
"The stone will be hauled to a secondary crusher"
"A secondary source"
"A secondary issue"
"Secondary streams"
(4)   Depending on or incidental to what is original or primary
"A secondary infection"
(5)   Inferior in rank or status
"The junior faculty"
"A lowly corporal"
"Petty officialdom"
"A subordinate functionary"


(6)   Coil such that current is induced in it by passing a current through the primary coil
(7)   The defensive football players who line up behind the linemen


  1. Succeeding next in order to the first; of second place, origin, rank, rank, etc.; not primary; subordinate; not of the first order or rate.
  2. Acting by deputation or delegated authority; as, the work of secondary hands.
  3. Possessing some quality, or having been subject to some operation (as substitution), in the second degree; as, a secondary salt, a secondary amine, etc. Cf. primary.
  4. Subsequent in origin; -- said of minerals produced by alteration or deposition subsequent to the formation of the original rocks mass; also of characters of minerals (as secondary cleavage, etc.) developed by pressure or other causes.
  5. Pertaining to the second joint of the wing of a bird.
  6. Dependent or consequent upon another disease; as, Bright's disease is often secondary to scarlet fever. (b) Occuring in the second stage of a disease; as, the secondary symptoms of syphilis.
  7. Of less than primary importance.
  8. }

Coordinate terms


  1. Any flight feather attached to the ulna (forearm) of a bird.