Read the dictionary definition of boss. All definitions for this word.
1. a circular rounded projection or protuberance
2. a person responsible for hiring workers
1. the boss hired three more men for the new job
3. a person who exercises control and makes decisions
1. he is his own boss now
4. a person who exercises control over workers
1. if you want to leave early you have to ask the foreman
5. a leader in a political party who controls votes and dictates appointments
1. party bosses have a reputation for corruption
6. raise in a relief
1. embossed stationery
7. exceptionally good
1. a boss hand at carpentry
2. his brag cornfield