biform

adjective
UK /ˈbaɪfɔːm/
US /ˈbaɪfɔːrm/

Something that has two different shapes or forms.

The magical creature was biform, appearing as a bird in the morning and a fish at night.


OTHER MEANINGS

2. Existing in two distinct physical states or appearances.

The biform crystal looked clear in light but turned cloudy in water.

3. Having a nature that combines two separate aspects.

The story's biform hero was both a gentle farmer and a fierce warrior.

4. In biology, describing an organism with two different body forms during its life cycle.

The biform insect changes from a swimming larva into a flying adult.