acephalous

< /ˌeɪ səˈfæl ɪk/. Zoology. headless; lacking a distinct head.

without a leader or ruler.

adjective

1. having no head or one that is reduced and indistinct, as certain insect larvae
2. having or recognizing no ruler or leader

adj.

“headless,” 1731, from French acéphale + -ous, or directly from Late Latin acephalus, from Greek akephalos, from a- “not” + kephale “head” (see cephalo-).