Bible Dictionary · P
Peace offerings
(Heb. shelamim), detailed regulations regarding given in Lev 3:1–17; Lev 7:11–21, Lev 7:29–34. They were of three kinds, (1) eucharistic or thanksgiving offerings, expressive of gratitude for blessings received; (2) in fulfilment of a vow, but expressive also of thanks for benefits recieved; and (3) free-will offerings, something spontaneously devoted to God.
From Easton’s Bible Dictionary (1897), by Matthew George Easton.