vt to divide into two equal parts.
2. dimidiate ·vt to represent the half of; to halve.
3. dimidiate ·adj divided into two equal parts; reduced to half in shape or form.
4. dimidiate ·adj having the organs of one side, or half, different in function from the corresponding organs on the other side; as, dimidiate hermaphroditism.
5. dimidiate ·adj consisting of only one half of what the normal condition requires; having the appearance of lacking one half; as, a dimidiate leaf, which has only one side developed.