DREGS
dregs, settlings
(noun) sediment that has settled at the bottom of a liquid
Source: WordNet® 3.1
Etymology
Noun
dregs pl (plural only)
(collectively) The sediment settled at the bottom of a liquid; the lees in a container of unfiltered wine.
(figuratively, the dregs) The worst and lowest part of something.
Usage notes
• The singular form dreg is far less common, but the phrase to the last dreg still has currency.
Synonyms
• debris, deposit, draff, dross, exuviate, feculence, grounds, grouts, lees, loser, orts, outcast, rabble, refuse, residue, residuum, riffraff, rubbish, scum, sediment, settling, trash, trub
Source: Wiktionary
DREG
Dreg, n. Etym: [Prob. from Icel. dregg; akin to Sw. drägg, cf. Icel.
& Sw. draga to draw. Cf. Draw.]
Definition: Corrupt or defiling matter contained in a liquid, or
precipitated from it; refuse; feculence; lees; grounds; sediment;
hence, the vilest and most worthless part of anything; as, the dregs
of society.
We, the dregs and rubbish of mankind. Dryden.
Note: Used formerly (rarely) in the singular, as by Spenser and
Shakespeare, but now chiefly in the plural.
Source: Webster’s Unabridged Dictionary 1913 Edition