adj. Steep, like a precipice; as, a precipitous cliff or mountain. adj. Headlong; as, precipitous fall. adj. Hasty; rash; quick; sudden; precipitate; as, precipitous attempts. from the GNU version of the Collaborative International Dictionary of English. adj. Steep, like a precipice. adj. Headlong. adj. Hasty; rash; quick; sudden; precipitate.
A'a' lava flow burying a road on Etna (Oct. 2002). Brief explanation: A'a' lava is the most common appearance type of lava flows that cool down forming fragmented, rough, sometimes spiny, or blocky surfaces.
Noun. 1. lavage-washing out a hollow organ (especially the stomach) by flushing with water. irrigation - (medicine) cleaning a wound or body organ by flushing or washing out with water or a medicated solution.