noun

• (informal, especially India, MLE and Philippines) A term of address to a man, especially a customer, but also sometimes to a friend or acquaintance of equal standing.
  "Good to see you, boss."
• (video games) An enemy, often at the end of a level, that is particularly challenging and must be beaten in order to progress.
  "Cuphead built a reputation for difficulty before release, but its boss battles are mostly about recognizing patterns than getting lucky against unfair bosses. Watching players ace their way through the game’s bosses is a spellbinding reminder that even tough games can be defeated easily with hard work."
• (humorous) Wife.
  "There's no olive oil; will sunflower oil do? — I'll have to run that by the boss."

verb

• (transitive) To exercise authoritative control over; to tell (someone) what to do, often repeatedly.
  "By YOU last night’s journey was actually bossed / Without you, I’m certain, we’d all have been lost."

adj

• (slang, US, Canada, Liverpool) Of excellent quality, first-rate.
  "That is a boss Zefron poster."

noun

• A swelling, lump or protuberance in an animal, person or object.
• A swelling, lump or protuberance in an animal, person or object.
  "The seargent […] screwing a bipod into the threaded boss on the underside of the barrel would kill these animals […]"
• A swelling, lump or protuberance in an animal, person or object.
• A swelling, lump or protuberance in an animal, person or object.