dorsal vessel
English
Noun
dorsal vessel (plural dorsal vessels)
- A central pulsating blood vessel along the back of insects, acting as a heart.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for dorsal vessel in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)