-ēˌī noun plural
Usage: capitalized
Etymology: New Latin, from hol- + -ostei (from Greek osteon bone) — more at osseous
in many classifications : an order of ganoid fishes having a well-developed bony skeleton and approaching teleosts in structure now usually restricted to the gars (family Lepisosteidae ) and various extinct genera (as Lepidotes and Semionotus ) but sometimes extended to include the bowfin and related fishes or made a superorder including the teleosts — compare cycloganoidei , ginglymodi