noun
Freq #263879
Meanings
-
1
noun
taxonomy: a rank below an order and above an infraorder, used to divide a biological order into smaller groups
Passeri is the suborder that contains the true songbirds.
Thesaurus
Word family
Etymology
Formed from sub-, 'under or subordinate,' + order. Biological classification adopted it for a rank immediately below an order, though not every taxonomic scheme uses suborders.