1. As a shape:
* "Kalahating bilog" - This literally translates to "half circle" and is the most common and accurate way to describe the shape of a halfmoon.
2. As a celestial body:
* "Kalahating buwan" - This translates to "half moon" and specifically refers to the lunar phase.
3. As a specific type of fish:
* "Isdang kalahating buwan" - This translates to "half moon fish" and refers to the specific type of fish.
4. As a decorative element:
* "Kalahating buwan na disenyo" - This translates to "half moon design" and refers to a halfmoon shape used in decoration.
Ultimately, the best Tagalog translation for "halfmoon" depends on the specific context and what you are trying to communicate.