Definition

1. Noun:
   • The hard, protective covering at the end of a thumb: The small, typically flat, plate made of keratin that grows on the dorsal side of the tip of the human thumb.

Usage Examples

• Noun:
  • She painted her thumbnail with red polish.
  • He accidentally hit his thumbnail with a hammer.
  • Keeping your thumbnail clean is important for hygiene.

Advanced Usage

• "Thumbnail sketch": A very small, brief, or concise description, drawing, or version of something.
  • The designer provided a thumbnail sketch of the proposed logo.
• "Thumbnail image": A small version of a picture or graphic, often used as a preview or icon.
  • Click on the thumbnail image to see the full-size photograph.

Variants and Related Words

• Thumbnails (n): The plural form of thumbnail.
  • He bit his thumbnails when he was nervous.
• Thumb (n): The short, thick first digit of the human hand.
• Fingernail (n): The hard covering on the end of a finger.

Synonyms

• Unguis (n): The technical or biological term for a nail or claw.
• Nail (n): The general term for the hard covering on the fingers and toes.

Related Phrases

• Rule of thumb: A broadly accurate guide or principle, based on experience rather than theory.
  • As a rule of thumb, you should water the plant once a week.

Noun

1. the nail of the thumb