Dictionary

pinworm

noun pin·worm \-ˌwərm\

Definition of PINWORM

1
:  any of numerous small nematode worms (family Oxyuridae) that infest the intestines and especially the cecum of various vertebrates; especially :  a worm (Enterobius vermicularis) parasitic in humans
2
:  any of several rather slender insect larvae that burrow in plant tissue
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First Known Use of PINWORM

circa 1864
Medical Dictionary

pinworm

noun pin·worm \ˈpin-ˌwərm\

Medical Definition of PINWORM

:  any of numerous small nematode worms of the family Oxyuridae that have the tail of the female prolonged into a sharp point and infest the intestines and especially the cecum of various vertebrates; especially :  a worm of the genus Enterobius (E. vermicularis) that is parasitic in humans

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