prothoracic gland


: one of a pair of thoracic endocrine organs in some insects that control molting

Word History

First Known Use

1887, in the meaning defined above

Time Traveler
The first known use of prothoracic gland was in 1887

Dictionary Entries Near prothoracic gland

Cite this Entry

“Prothoracic gland.” Dictionary, Merriam-Webster, Accessed 21 May. 2024.

More from Merriam-Webster on prothoracic gland

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!