n.
Function: transitive verb
Date: 14th century
1 : to fret and wear away by friction : CHAFE <the loose saddle gall ed the horse's back> <the gall ing of a metal bearing>
2 : IRRITATE , VEX <sarcasm gall s her>
intransitive verb
1 : to become sore or worn by rubbing
2 : SEIZE 2