aimer
nounUK /ˈeɪ̯məː/ · US /ˈeɪ̯mɚ/
Etymology From aim + -er.
1
One who aims; one who is responsible for aiming.
- After joining the RAF, he trained as a bomb aimer in Oxfords, Ansons and Wellingtons before joining a squadron of Lancasters.2009 April 4, Steve Holland, “Ron 'Nobby' Clark”, in The Guardian: