Definition of salsas:
(n) :
(countable) A spicy tomato sauce of Mexican origin, often including onions and hot peppers.
(n) :
(uncountable, music) A style of urban music originally from New York heavily influenced by Cuban dance music, jazz and rock.
(n) :
(countable, dance) Any of several dances performed to salsa music.
(v) :
(intransitive) To dance the salsa.