Definition of: perspire

(pər·spīr′) v. ·spired, ·spir·ing v.i.
To give off perspiration through the pores of the skin; sweat.
—v.t. To give off through pores; exude. [<L perspirare breathe, blow constantly <per- through + spirare breathe]
—per·spir′a·ble adjective