proboscis

US /proʊˈbɑː.sɪs/
UK /proʊˈbɑː.sɪs/
"proboscis" picture
1.

the long, mobile snout of a mammal, such as an elephant or tapir

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The elephant used its proboscis to spray water over itself.
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A tapir's proboscis is short and flexible.
:
snouttrunkrostrum
2.

the elongated sucking mouthpart of an insect, such as a butterfly or mosquito

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A butterfly uses its proboscis to drink nectar from flowers.
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The mosquito's proboscis can pierce skin to draw blood.
:
mouthpartsucker
:
proboscis monkey