salsa (dance)
Refers to the Latin dance style and its music. Often used in contexts like サルサを踊る or サルサ教室.
from Spanish
I went dancing salsa with friends on the weekend.
On weekends I go salsa dancing with friends.
salsa (sauce)
Refers to the spicy tomato-based sauce used in Mexican and Latin American cuisine. Common in cooking contexts.
This salsa is a little spicy, but it goes well with tortilla chips.
I put plenty of salsa on the tacos.
She's taking salsa lessons at a dance school.
This dish is seasoned with salsa.