Sink·ing, a. & n. from Sink.
Sinking fund. See under Fund.
Sinking head Founding, a riser from which the mold is fed as the casting shrinks. See Riser, n., 4.
Sinking pump, a pump which can be lowered in a well or a mine shaft as the level of the water sinks.
Sink v. i. [imp. Sunk or (Sank ); p. p. Sunk (obs. Sunken, -- now used as adj.); p. pr. & vb. n. Sinking.]
1. To fall by, or as by, the force of gravity; to descend lower and lower; to decline gradually; to subside; as, a stone sinks in water; waves rise and sink; the sun sinks in the west.
I sink in deep mire. --Ps. lxix. 2.
2. To enter deeply; to fall or retire beneath or below the surface; to penetrate.
The stone sunk into his forehead. --1 San. xvii. 49.
3. Hence, to enter so as to make an abiding impression; to enter completely.
Let these sayings sink down into your ears. --Luke ix. 44.
4. To be overwhelmed or depressed; to fall slowly, as so the ground, from weakness or from an overburden; to fail in strength; to decline; to decay; to decrease.
I think our country sinks beneath the yoke. --Shak.
He sunk down in his chariot. --2 Kings ix. 24.
Let not the fire sink or slacken. --Mortimer.
5. To decrease in volume, as a river; to subside; to become diminished in volume or in apparent height.
The Alps and Pyreneans sink before him. --Addison.
Syn: -- To fall; subside; drop; droop; lower; decline; decay; decrease; lessen.
n 1: a descent as through liquid (especially through water);
"they still talk about the sinking of the Titanic"
2: a slow fall or decline (as for lack of strength); "after
several hours of sinking an unexpected rally rescued the
market"; "he could not control the sinking of his legs"
3: a feeling caused by uneasiness or apprehension; "with a
sinking heart"; "a sinking feeling in the pit of my
stomach" [syn: sinking feeling]