1. any of the long stiff hairs that project from the snout or brow of most mammals, as the whiskers of a cat.
2. one of several long modified feathers that grow along the gape of the mouth of insect-eating birds.

1. any of the tactile whiskers on the nose of an animal such as a cat
2. any similar feather near the mouth of some birds

1. one of the specialized or tactile hairs which grow about the nostrils, or on other parts of the face, in many animals, as the so-called whiskers of the cat, and the hairs of the nostrils of man.
2. the bristlelike feathers near the mouth of many birds.

1. in mammalogy, one of the long, stiff bristles which grow upon the upper lip and elsewhere upon the head of most mammals; a whisker, as of a cat.
2. in ornithology, a rictal bristle; one of the special set of long, slender, bristle-like or bristly feathers, devoid of vexilla proper, which grow in a series along each side of the rictus or gape of the mouth of many birds, as flycatchers, goatsuckers, and others.
3. in human anatomy, one of the hairs which grow in the nostrils.
4. in entomology, one of the projecting lateral bristles on the upper border of the peristomium or mouth-cavity of certain diptera.

1. a long stiff hair growing from the snout or brow of most mammals as e.g. a cat