ˌsinə̇n.ˈtägnəˌthī noun plural
Usage: capitalized
Etymology: New Latin, from syn- + ent- + -gnathi (from Greek gnathos jaw) — more at gnath-
: an order of fishes having spineless fins, united lower pharyngeal bones, and the lateral line forming a ridge along the lower lateral part of the body that includes the needlefishes, sauries, flying fishes, and halfbeaks
• syn·en·tog·na·thous | ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷thəs adjective