proboscis
Concise Oxford English Dictionary © 2008 Oxford University Press:
proboscis /prəˈbɒsɪs/
▶noun (pl. probosces /-siːz/, proboscides /-sɪdiːz/, or proboscises)
- 1 the nose of a mammal, especially when long and mobile like the trunk of an elephant.
- 2 Zoology an elongated sucking organ or mouthpart.
– origin C17: via L. from Gk proboskis ‘means of obtaining food’, from pro ‘before’ + boskein ‘(cause to) feed’.
'proboscis' also found in these Oxford entries:

