Meaning of VESSEL in English
( n. )
A continuous tube formed from superposed large cylindrical or prismatic cells (tracheae), which have lost their intervening partitions, and are usually marked with dots, pits, rings, or spirals by internal deposition of secondary membranes; a duct.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012