Pore

1. (n.) One of the minute orifices in an animal or vegetable membrane, for transpiration, absorption, etc.

2. (n.) A minute opening or passageway; an interstice between the constituent particles or molecules of a body; as, the pores of stones.

3. (v. i.) To look or gaze steadily in reading or studying; to fix the attention; to be absorbed; -- often with on or upon, and now usually with over.

Thesaurus Entries

Eustachian tube, Fallopian tube, aperture, avenue, blowhole, broaching, canal, cavity, channel, chasm, check, chute, clearing, cleft, con, crack, debouch, disclosure, door, duct, egress, emunctory, escape, estuary, examine, exhaust, exit, fenestra, fistula, floodgate, flume, fontanel, foramen, gap, gape, gat, go over, gulf, hiatus, hole, hollow, inlet, interval, intestines, lacuna, laying open, leak, loophole, meatus, opening, opening up, orifice, ostium, out, outcome, outfall, outgate, outgo, outlet, oviduct, passageway, perforation, peruse, pore over, port, read, sally port, salpinx, scrutinize, slot, sluice, space, spiracle, split, spout, stoma, study, tap, thoracic duct, throwing open, uncorking, unstopping, ureter, urethra, vagina, vas, vent, ventage, venthole, vessel, vomitory, way out, weir, yawn