haustellum

noun

haus·​tel·​lum hȯ-ˈste-ləm 

plural haustella hȯ-ˈste-lə 

: a proboscis (as of an insect) adapted to suck blood or juices of plants

Word History

Etymology

New Latin, diminutive of Latin haustrum scoop on a waterwheel, from haurire to drink, draw — more at exhaust

First Known Use

1816, in the meaning defined above