Definition

1. Noun:
   • A sewer or drain: A pipe or channel that carries away sewage or wastewater.
   • (Zoology) A common cavity: In birds, reptiles, amphibians, most fish, and monotremes, this is the single posterior opening into which the intestinal, urinary, and reproductive tracts discharge.

Usage Examples

• Noun (Sewer):

  • The ancient city's cloaca was an engineering marvel for its time.
  • They discovered a hidden cloaca beneath the old castle.

• Noun (Zoology):

  • Birds excrete waste through a cloaca.
  • The veterinarian examined the reptile's cloaca for signs of infection.

Advanced Usage

• Figurative Use: The word can be used metaphorically to describe a place or situation considered morally corrupt or filthy.
  • The journalist described the corrupt city hall as a political cloaca.

Variants and Related Words

• Cloacal (adjective): Pertaining to a cloaca.
  • The scientist studied the cloacal anatomy of amphibians.

Synonyms

• For "sewer": Conduit, drain, sewerage.
• For "cavity": Vent, orifice.

Different Meanings

The word has two distinct primary meanings: 1. A man-made structure for waste (civil engineering). 2. A natural anatomical feature in certain animal groups (zoology).

Noun

1. a waste pipe that carries away sewage or surface water
2. (zoology) the cavity (in birds, reptiles, amphibians, most fish, and monotremes but not mammals) at the end of the digestive tract into which the intestinal, genital, and urinary tracts open