Definitions of clog:

• noun:   any object that acts as a hindrance or obstruction
• noun:   footwear usually with wooden soles
• noun:   a dance performed while wearing clogs; has heavy stamping steps
• verb:   coalesce or unite in a mass
• verb:   impede with a clog or as if with a clog

  Example: "The market is being clogged by these operations"

• verb:   impede the motion of, as with a chain or a burden

  Example: "Horses were clogged until they were tamed"

• verb:   become or cause to become obstructed

  Example: "The leaves clog our drains in the Fall"

• verb:   dance a clog dance
• verb:   fill to excess so that function is impaired

  Example: "Fear clogged her mind"