proboscis

n. trunk, long flexible snout of elephants and other mammals; mouthparts of some insects and other invertebrates; big nose, large nose (Slang)

This article is about the mouth part. For the butterfly genus, see Proboscis (genus) In general, a proboscis (from Greek pro "before" and boskein "to feed") is an elongated appendage from the head of an animal. The most common usage is to refer to the tubular feeding and sucking organ of certain invertebrates like insects, worms (including proboscis worms) and mollusks. The elephant's trunk is also called a proboscis. An abnormal facial appendage that sometimes accompanies ocular and nasal abnormalities is also called a proboscis. The term is used for primate organs as well: an elongated human nose is sometimes facetiously called a proboscis and the Proboscis Monkey is named for its enormous nose.
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Proboscis elongated, flexible feeding apparatus, formed of the fused mouthparts, in some insects. [more]Proboscis - Community and Resources

Noun
1. the human nose (especially when it is large)
(hypernym) nose, olfactory organ
(classification) colloquialism
2. a long flexible snout as of an elephant
(synonym) trunk
(hypernym) snout, neb

(n.)
The nose.
  

(n.)
By extension, applied to various tubelike mouth organs of the lower animals that can be everted or protruded.
  

(n.)
A hollow organ or tube attached to the head, or connected with the mouth, of various animals, and generally used in taking food or drink; a snout; a trunk.