Etymology
Advertisement
cooker (n.)

type of stove, 1868, from cook (v.) + -er (1).

Related entries & more 
Advertisement
islander (n.)
"native or inhabitant of an island," 1540s, from island (n.) + -er (1).
Related entries & more 
Christer (n.)
"overly-zealous Christian," 1910, originally sailors' slang, from Christ + -er (1).
Related entries & more 
freer (adj.)
comparative of free (adj.). See -er (2).
Related entries & more 
launderer (n.)
mid-15c., lawnderer "washerwoman, laundress;" see launder + -er (1).
Related entries & more 
Advertisement
transponder (n.)
1945, from trans(mit) + (res)pond + agent noun suffix -er (1).
Related entries & more 
zinger (n.)
"cruel quip," 1970, from zing + -er (1). Earlier it was baseball slang for "fastball" (by 1957).
Related entries & more 
oncer (n.)

"one who does a particular thing only once," 1895, from once + -er (1).

Related entries & more 
birder (n.)
"bird-watcher," 1945, from bird (n.1) + -er (1). Earlier it meant "bird-catcher" (late 15c.).
Related entries & more 
scummer (n.)

"implement used in skimming," early 14c., scomour; see scum (n.) + -er.

Related entries & more 

Page 2