Pervious

Part of speech: adjective (a.)

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. [R.] God, whose secrets are pervious to no eye. Jer. Taylor.

3. Capable of penetrating or pervading. [Obs.] Prior.

4. Open; -- used synonymously with perforate, as applied to the nostrils or birds.