peloton

/ˈpɛlətɒn/

peloton means A group of riders formed during a cycling road race; especially, the main group of riders; the pack.

peloton is pronounced /ˈpɛlətɒn/.

Etymology

Borrowed from French peloton (“small ball (of thread, etc.), pellet; (cycling) group of riders formed during a cycling road race; (military) small group of soldiers, platoon”), from pelote (“small ball (of thread, etc.)”) (ultimately from Latin pila (“ball; ball game; globe, sphere”) (probably referring to a ball of hair), from pilus (“strand of hair”), of uncertain origin) + -on (augmentative suffix). Doublet of platoon.

noun

A group of riders formed during a cycling road race; especially, the main group of riders; the pack.
Synonym of platoon (“a small group of soldiers”) or section (cognate with the former; not invariably synonymous with it, depending on century of use).

Definitions & examples from Wiktionary (CC BY-SA 3.0).