n. [ F. sédiment, L. sedimentum a settling, fr. sedere to sit, to settle. See Sit. ]
a. Sedimentary. [ 1913 Webster ]
a. [ Cf. F. sédimentaire. ] Of or pertaining to sediment; formed by sediment; containing matter that has subsided. [ 1913 Webster ]
Sedimentary rocks. (Geol.)
n. The act of depositing a sediment; specifically (Geol.), the deposition of the material of which sedimentary rocks are formed. [ 1913 Webster ]