noun

• (UK) A person who is physically limited by age, illness or injury.
  "old crocks’ home"
• (UK) An old or broken-down vehicle (and formerly a horse or ewe).
  "old crocks race"
• (slang, Canada, US, countable and uncountable) Silly talk, a foolish belief, a poor excuse, nonsense.
  "That's a bunch of crock."
• (medical slang, derogatory) A patient who is difficult to treat, especially one who complains of a minor or imagined illness.
  "Mumford (1970) noted that the terms ‘crock’, ‘gomer’, and ‘turkey’, were sometimes utilized by interns to designate different types of undesirable patients, and sometimes used synonymously."

verb

• (textiles, leatherworking) To transfer coloring through abrasion from one item to another.
  "thus producing a permanent, definite color thereon which will not fade or crock, and at the same time using up all of the coloring matter."
• (horticulture) To cover the drain holes of a planter with stones or similar material, in order to ensure proper drainage.
  "The pots should be crocked for drainage to one-half their depth and the plants made moderately firm in the compost, as already indicated..."
• (transitive, now dialectal) To put or store (something) in a crock or pot.
  "She filled the pail and carried it down to the springhouse to crock it and leave it to cool."

verb

• (intransitive) To give off crock or smut.