Webster's Revised Unabridged Dictionary · 1913

Crock

Crock (krok) , noun

[Compare Welsh croeg cover, Scot. crochit covered.]

The loose black particles collected from combustion, as on pots and kettles, or in a chimney; soot; smut; also, coloring matter which rubs off from cloth.

Crock , noun

A low stool.
I... seated her upon a little crock. — Tatler

Crock (krok) , noun

[Anglo-Saxon croc, croca, crog, croh; akin to Dutch kruik, German krug, Icelandic krukka, Danish krukke, Swedish kruka; but compare Welsh crwc bucket, pail, crochan pot, cregen earthen vessel, jar. Compare Cruet.]

Any piece of crockery, especially of coarse earthenware; an earthen pot or pitcher.
Like foolish flies about an honey crock. — Spenser

Crock , noun

1.
a person who is worn out with age or illness.
2.
an old person who complains frequently about illness, especially imaginary ailments.

crock , noun

nonsense; balderdash; humbug; -- usually used in the phrase a crock. [slang]

Crock (krokt) , transitive verb

To soil by contact, as with soot, or with the coloring matter of badly dyed cloth.

Crock , intransitive verb

To give off crock or smut.

Crock , transitive verb

To lay up in a crock; as, to crock butter. — Halliwell