D defs.my
Entry 1 sense Webster, 1913

Pinworm

· Pin·worm · IPA
01 n. A small nematoid worm (Oxyurus vermicularis), which is parasitic chiefly in the rectum of man. It is most common in children and aged persons.
  1. 1.
    A small nematoid worm (Oxyurus vermicularis), which is parasitic chiefly in the rectum of man. It is most common in children and aged persons.(Zool.)