Definition

Adjective 1. Having three cusps or points: This term describes an object, typically a tooth or a heart valve, that features three distinct projecting points or rounded bumps.

Usage

The adjective "tricuspidate" is a technical term used primarily in anatomy and dentistry. It is not commonly used in everyday conversation.

Examples * The dentist identified the large back tooth as a tricuspidate molar. * In human anatomy, the tricuspidate valve is located between the right atrium and right ventricle of the heart.

Advanced Usage

• The term can be applied descriptively in biology or paleontology to describe fossilized teeth or other three-pointed structures.
  • The fossil record shows a predator with tricuspidate dental formations.

Variants and Related Words

• Tricuspid (adjective): This is the more common and preferred form, especially in medical contexts (e.g., tricuspid valve, tricuspid tooth). It has the same meaning as "tricuspidate."
• Tricusp (noun): A rare variant meaning a three-pointed structure.
• Cuspidate (adjective): Having a cusp or cusps; pointed.

Synonyms

• Three-cusped
• Three-pointed
• Tricuspid

Antonyms

• Unicuspid (having one cusp)
• Bicuspid (having two cusps)

Adjective

1. having three cusps or points (especially a molar tooth)
   • tricuspid molar
   • tricuspid valve