Definition of tagma
: 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)
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of tagma
New Latin, from Greek tagma arrangement, order, row, from tassein, tattein to arrange — more at tactics
Seen and Heard
What made you want to look up tagma? Please tell us where you read or heard it (including the quote, if possible).