D defs.my
Entry 2 senses Webster, 1913

Sediment

/sĕd'-əm-ənt/ · Sed·i·ment · IPA /ˈsɛd.ɪ.mənt/
01 n. The matter which subsides to the bottom, from water or any other liquid; settlings; lees; dregs.
  1. 1.
    The matter which subsides to the bottom, from water or any other liquid; settlings; lees; dregs.
  2. 2.
    The material of which sedimentary rocks are formed.(Geol.)