nailer

Short definition from Wiktionary

Noun

1. 1
   One whose occupation is to make nails; a nail maker.
2. 2
   One who fastens with, or drives, nails.
3. 3
   A nailgun.
4. 4
   A piece of dimensional lumber and/or plywood secured to the deck or wall which provides a receiving medium for the fasteners. (Sometimes referred to as blocking.)