Definition of suborder
: a subdivision of an order a soil suborder; especially : a taxonomic category ranking between an order and a family
Recent Examples of suborder from the Web
Cystisoma belong to a suborder of marine crustaceans called hyperiid amphipods, which live in every ocean, from just below the surface to right near the floor.
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First Known Use of suborder
Medical Definition of suborder
: a category in biological classification ranking below an order and above a family
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