This is the 9318th most frequent Portuguese word.
checa
"Checa" in Portuguese means "check" or "verifies."
Here, "checa" is the verb "checar" conjugated in the third person singular in the present indicative, meaning "checks" or "verifies."
Maria checa o relatório antes de enviá-lo.
Maria checks the report before sending it.
In this sentence, "checa" again is the conjugated form of "checar," used in a general instruction or a habitual action meaning "to check."
Sempre checa se todas as janelas estão fechadas.
Always check if all the windows are closed.
In informal situations, "checa" can imply investigating or working on, here indicating the action of repairing computers.