ˈpiniŋ, -nēŋ noun
( -s )
Etymology: Middle English pynnynge action of fastening with pegs, from gerund of pynnen, pinnen to pin
1.
a. : a pin or peg for fastening ; also : a fastening made by pins
b. : small stones for filling masonry interstices
c. : foundation , prop , underpinning
2. : adhesion of the tail of the young lamb to the body due to pasting up with sticky meconium preventing passage of feces
3. : clogging of the teeth of a file by abraded material