Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “proboscis”


noun [C]     /prəˈbɒs.ɪs/ US  /proʊˈbɑː.sɪs/ (plural probosces) specialized
the long nose of some animals, or the long tube-like mouth of some insects: An elephant's trunk is a proboscis.The head and neck of non-human animalsThe development and parts of insects
(Definition of proboscis noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of proboscis

Word of the Day

limber up

to do gentle exercises to stretch the muscles in order to prepare the body for more active physical exercise

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More