[tel.son] n [NL, fr. Gk, end of a plowed field; perh. akin to Gk telos end] (1855): the terminal segment of the body of an arthropod or segmented worm; esp: that of a crustacean forming the middle lobe of the tail
TELSON
Meaning of TELSON in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012