colador
strainer
colar
to strain
+
-dor
noun suffix indicating a tool or device
Colador means strainer and can be broken down into colar0 (to strain0) + -dor1 (tool for1), literally meaning 'a tool for straining'.
noun
- strainerA utensil with small holes used for straining liquids or separating solids from liquidsUsa el colador para colar la pasta. // Use the strainer to drain the pasta.