Definition

Adjective: - Used to describe the size of a nail, specifically indicating a length of 2.5 inches or 6.4 centimeters. This term originates from a historical classification system for nails based on their cost per hundred.

Usage

The word eightpenny is a specialized technical term used almost exclusively in carpentry, construction, and hardware contexts to specify the length of a common nail. It is typically placed before the noun "nail."

Examples

• Adjective:
  • We need some eightpenny nails to secure this framing lumber.
  • For that job, you should use eightpenny nails, not the shorter sixpenny ones.

Advanced Usage

• The term is part of an old pricing system known as the "penny system" (abbreviated as "d" for the old British penny, ). In this system, the number (e.g., eightpenny, tenpenny, sixteenpenny) originally indicated the price per hundred nails. Over time, it became standardized to refer to specific nail lengths.
• Eightpenny can sometimes be written with a hyphen as "eight-penny" or abbreviated as "8d."

Variants and Related Words

• Penny (in this context): The unit used in the nail sizing system (e.g., a (6d) nail is shorter, a (10d) nail is longer).
• Common nail: The type of nail most frequently associated with penny sizes like eightpenny.

Synonyms

• 2.5-inch nail: A direct description of its length.
• 6.4 cm nail: The metric equivalent description.

Notes on Meaning

This word has a very narrow, technical meaning. It does not describe cost, quality, or any other property of a nail besides its standard length. It is not used in general conversation outside of its specific trade context.

Adjective

1. used of nail size; 2 1/2 in or 6.4 cm long