triquetrous

The botanist examines a triquetrous stem under the magnifying glass.

Definition

1. Adjective:
   • Having three sharp angles or edges: "triquetrous" describes an object, especially a plant stem or a geometric shape, that is triangular in cross-section with distinctly angular sides.

Usage Examples

• (The stem has three clear, angled edges.)
• (A prism with a triangular cross-section.)

Advanced Usage

• "triquetrous stem": a botanical term for stems that are three-sided and angular, common in certain species like sedges (Cyperaceae).
  • The triquetrous stem of the club-rush is easily distinguished from round-stemmed plants. (The stem's three sharp angles are a key identification feature.)

Variants and Related Words

• Triquetrousness (n): the quality or state of being triquetrous.
  • The triquetrousness of the stalk helped the scientist classify the specimen. (Its three-angled nature aided identification.)

Synonyms

• Triangular: having three sides or angles.
• Three-angled: specifically describing a shape with three distinct angles.
• Trigonous: a botanical synonym for having three angles (often used interchangeably with "triquetrous").

Related Idioms

• No common idioms exist for this highly specific scientific term.