Definition of "taco" in English

noun

1. (cooking) A Mexican snack food made of a small tortilla (soft- or hard-shelled) filled with ingredients such as meat, rice, beans, cheese, diced vegetables, and salsa.

2. (US, slang) The vulva.

3. (US, slang) A yellow stain on a shirt's armpit caused by sweat or deodorant.

verb

1. (slang, ambitransitive) To fold or cause to buckle in half, similar to the way a taco is folded.