1. Admitting passage; capable of being penetrated by another body or substance; permeable; as, a pervious soil. [Doors] . . . Pervious to winds, and open every way. (pope)
2. Capable of being penetrated, or seen through, by physical or mental vision. God, whose secrets are pervious to no eye. (Jer. Taylor)
3. Capable of penetrating or pervading.
4. (Science: ornithology, zoology) open; used synonymously with perforate, as applied to the nostrils or birds.
Origin: L. Pervis; per _ via a way. See Per-, and Voyage.