Also found in: Dictionary, Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.
Short for "latissimus dorsi," either of the two large, broad muscles that cover each half of the back. Typically referenced together as a plural. I need to work on my lats when I go to the gym. I've got this weird pain in the lat on my right side.
n. the latissimus dorsi; the muscles of the back. (Bodybuilding.) Your lats are coming along fine. Now let’s start working on your delts.