harm, hurt, injury, trauma - any physical damage to the body caused by violence or accident or fracture etc.

seam - joint consisting of a line formed by joining two pieces

beat up, work over, beat - give a beating to; subject to a beating, either as a punishment or as an act of aggression; "Thugs beat him up when he walked down the street late at night"; "The teacher used to beat the students"

flagellate, scourge - whip; "The religious fanatics flagellated themselves"

horsewhip - whip with a whip intended for horses

switch - flog with or as if with a flexible rod

cowhide - flog with a cowhide

cat - beat with a cat-o'-nine-tails

birch - whip with a birch twig

add - make an addition (to); join or combine or unite with others; increase the quality, quantity, zise or scope of; "We added two students to that dorm room"; "She added a personal note to her letter"; "Add insult to injury"; "Add some extra plates to the dinner table"