Definitions

1. noun

A part of an animal’s reproductive system, especially in certain invertebrates, that conveys sperm.

“The spermaducts of the sea squirt played a crucial role in its reproductive cycle.”

2. noun

In some extinct groups, such as the trilobites, a channel or tube for conveying fluids.

“The trilobite’s spermaduct allowed for efficient exchange of nutrients between its segments.”