ˈnālə(r) noun
( -s )
Etymology: Middle English, from nailen to nail + -er
1. : a nail maker
2. : one that drives nails or fastens together with nails: as
a. : a maker or lidder of wooden boxes
b. : a machine for automatic nailing
c. : an operator of such a machine
3. slang : something highly superior of its kind : one that is extremely capable at something