Definition of tagma in English:

tagma

Line breaks: tagma
Pronunciation: /ˈtagmə
 
/

noun (plural tagmata /-mətə/)

Zoology
  • (In the bodies of arthropods and some other segmented animals) a morphologically distinct region, typically comprising several adjoining segments, such as the head, thorax, and abdomen of insects.
    More example sentences
    • As defined by Collins, Dinocarids are bilaterally symmetrical arthropods with a body divided into two principal tagmata, recalling the prosoma and opisthosoma of chelicerates, and a non-mineralised cuticle.
    • The chelicerate body plan is characterized by two tagmata, the prosoma, including head structures, and the opisthosoma.
    • All hexapods have a body divided into three basic tagmata - head, thorax, and abdomen - and three pairs of thoracic legs.

Derivatives

tagmatize

verb (also tagmatise)
More example sentences
  • The result of such precise spatial and temporal regulation is a complex exoskeleton that is tagmatized into functional zones.
  • Later, the thoracic portion became segmented, or tagmatized, and this is considered the most significant evolution of the malacostracan class.
  • Later, the thoracic portion became segmented, or tagmatized, and this is considered the most significant evolution of the malacostracan class.

Origin

early 20th century: from Greek, literally 'something arranged', from tassein 'set in order'.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day tortie
Pronunciation: ˈtôrtē
noun
a tortoiseshell cat