Definition

1. Noun:
   • Saw wrest (saw set): A tool used to adjust the set (the alternating bend) of a saw's teeth, ensuring the kerf (cut) is wider than the blade to prevent binding. This is the primary and most specific meaning.
   • Saw tool: More generally, any small tool or implement used in the maintenance, setting, or sharpening of a saw.

Usage Examples

• Noun:
  • Người thợ mộc dùng con khẳng để điều chỉnh độ xòe của răng cưa. (The carpenter used a saw wrest to adjust the set of the saw teeth.)
  • Trong hộp dụng cụ có một con khẳng nhỏ. (There is a small saw set in the toolbox.)
  • Muốn cưa không bị kẹt, thỉnh thoảng phải dùng con khẳng. (To prevent the saw from binding, you must occasionally use a saw wrest.)

Advanced Usage

• This is a highly specialized technical term used almost exclusively by carpenters, woodworkers, and saw sharpeners. It is rarely encountered in everyday language.

Variants and Related Words

• Khẳng cưa: A compound term that is essentially synonymous with "con khẳng," also meaning "saw wrest" or "saw set."
• Đồ nghề cưa: Saw tools (a general term).
• Cái nêm: Wedge (a different tool, but sometimes used in a similar context of adjusting or securing).

Synonyms

• Saw set (noun): The most direct English equivalent.
• Saw wrest (noun): An older, less common English term for the same tool.

Related Phrases / Compound Words

• Khẳng răng cưa: To set saw teeth (a verb phrase describing the action performed with the ).

Notes on Meaning

• The word "con" is a common Vietnamese classifier for small, tool-like objects (e.g., - knife, - screw). "Khẳng" specifically refers to the action of prying, bending, or setting something at an angle. Therefore, literally means "the small tool for bending/setting," which perfectly describes its function for saw teeth.
• This term does not have other common meanings or idioms in modern Vietnamese. Its usage is fixed to this specific carpentry context.