Definitions

1. adjective

resembling a night-moth, especially in having a habit of flying at night

“Some species of noctuoid moths are found in tropical regions.”

2. noun

a moth belonging to the family Noctuidae, especially one that flies at night

“The noctuoids were attracted to the porch light.”

3. noun

a person who works at night

“The noctuoids were a group of night shift workers.”