Merriam-Webster's Collegiate® Dictionary, 11th Edition
BOSSY
I. adjective
Date: 1543
marked by a swelling or roundness, marked by bosses ; studded,
II. noun (plural bossies)
Etymology: 6boss
Date: 1843
cow , calf ,
III. adjective (bossier; -est)
Date: 1882
inclined to domineer ; dictatorial , bossiness noun