* Spanish for "slab": In construction, "losa" refers to a flat, rectangular slab of concrete. This is the most common meaning of "losa" in Spanish-speaking countries.
* Spanish slang: It can also be a slang term for "loser" or "stupid person". However, this usage is considered rude and is not recommended.
* Last name: "Losa" can also be a last name of Spanish origin.
To figure out the correct meaning of "losa" you'll need more context. Can you tell me:
* What language is the word used in? If it's Spanish, you're likely looking at the construction meaning.
* What is the sentence or phrase where you encountered the word? This will give more context to the meaning.
Let me know, and I can help you understand what "losa" means in your specific case!