Definition of "ab" in 英语

noun

1. (informal) Clipping of abdominal muscle .

   • When possible, do your ab workout on a day when you're not training a major muscle group […] .

noun

1. (slang) An abscess caused by injecting an illegal drug, usually heroin.

verb

1. (climbing, informal) To abseil.

2. Abbreviation of abort.

noun

1. Abbreviation of abortion.

preposition

1. Abbreviation of about.

adverb

1. Abbreviation of about.

noun

1. (US) The early stages of; the beginning process; the start.