ˈtrānə(r) noun
( -s )
Etymology: train (IV) + -er
1. : someone or something that trains: as
a. : one that educates or teaches
b. : one that coaches athletes
c. : one that trains animals for performances, shows, or competitions
d. : one that trains a gun ; especially : one that controls the horizontal aiming of a naval gun — compare pointer
e. : a member of a trainband : militiaman
f.
(1) : an airplane used in training airmen ; especially : one with duplicate controls used in training pilots
(2) : a mechanical device for training pilots that simulates flight conditions
g. : any of numerous machines and devices used in various forms of training
h. : a tree whose top is below the general forest canopy and whose shading and abrasive action prevents sucker formation and hastens natural pruning on the crop trees
2. : someone being trained : trainee
trainers do practice teaching in connection with their teachers college courses