dytiscid

dytiscid

(dɪˈtɪsɪd; daɪ-) n (Animals) any carnivorous aquatic beetle of the family Dytiscidae, having large flattened back legs used for swimmingadj (Zoology) of, relating to, or belonging to the Dytiscidae[C19: from New Latin Dytiscus genus name, changed from Greek dutikos able to dive, from duein to dive]