Young coconut is called buko. Its flesh is soft, thin and silky — you can easily scrape it off with a spoon. In contrast, the flesh of a mature coconut is niyog, which is thick and hard and needs to be grated off the shell.

Buko (Young Coconut)

There is a favorite flavor combination in the Philippines called buko pandan, which is tender white coconut and fragrant screwpine leaves.

Buko Pandan Jelly Mix
Buko Pandan Gulaman

The word buko can also refer to a bud of a flower or the young fruit of a tree.

búko ng rosas
rose bud

búko ng papaya
young papaya fruit

There are other meanings for the word buko. Check buking.