Definitions

1. adjective

relating to or resembling a penis

“The penial spines of the insect are used for defense.”

2. noun

the male reproductive organ of certain invertebrates, such as mollusks or insects, that is similar to a penis

“The penial bone of the snail plays a crucial role in fertilization.”

3. noun

a part of an animal’s body that resembles a penis, especially in mollusks or insects

“The penial appendages of the insect are used for reproduction.”