Baretti: A dictionary of the English and Italian languages
Precipitá-re, v. a.
1. to precipitate, throw, cast down headlong; 2. to precipitate, hurry. — gli indugi, to hasten, precipitate, to hurry, to do in haste; v. n. to precipitate, fall headlong;s. m. Precipitá-tóre, f. Precipitá-tríce; adj. Precipitá-nte.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English
precipitare: to precipitate or tumble downe headlong from high into some pit or danger, to bring, to cast or throw downe headlong. Also to doe oner rashly.