beryciform adjective 1noun 1forms 1 adjective1 •Belonging to the Beryciformes, an order of ray-finned fishes noun1 •Any fish of the order Beryciformes.Here, cold water rises from the depths, sometimes bringing with it deep-dwelling oddities such as the big-eyed beryciforms: shiny slimeheads and fangteeth. — 2022 formsberyciforms