tagma

noun

tag·​ma

ˈtagmə

plural tagmata

-mətə

: a compound body section of an arthropod resulting from embryonic fusion of two or more somites (as the cephalothorax of a spider) or consisting of two or more distinguishable segments (as the thorax of an insect)

Word History

Etymology

New Latin, from Greek tagma arrangement, order, row, from tassein, tattein to arrange

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