Definition

1. Noun:
   • A variety of lettuce: Cos lettuce is a type of lettuce characterized by its long, dark green leaves that form a loose, elongated, cylindrical head.
   • A leafy vegetable: It is a salad green with crisp, flavorful, spoon-shaped leaves.

Usage Examples

• Noun:
  • I prefer the crisp texture of cos lettuce in my salads.
  • The recipe calls for one head of cos lettuce, also known as romaine.

Advanced Usage

• "Hearts of cos": Refers to the tender, pale inner leaves of the cos lettuce head, which are often considered the choicest part.
  • The salad was made with sweet hearts of cos.

Variants and Related Words

• Romaine lettuce (n): The most common name for cos lettuce in American English.
  • Romaine lettuce is a key ingredient in a Caesar salad.
• Lettuce (n): The general category of leafy vegetables to which cos belongs.

Synonyms

• Romaine: The primary synonym, especially in North America.
• Long-leaf lettuce: A descriptive synonym highlighting its shape.

Noun

1. lettuce with long dark-green leaves in a loosely packed elongated head
2. lettuce with long dark-green spoon-shaped leaves