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.

Origin

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

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.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day apposite
Pronunciation: ˈapəzɪt
adjective
apt in the circumstances or relation to something