Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

machine bolt

noun

Definition of machine bolt 

: a metal rod with a usually square or hexagonal wrench head at one end and threads at the other that is commonly available in a size range of from ¹/₄ inch to 3 inches in diameter

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More about machine bolt

Share machine bolt

Resources for machine bolt

Cite Time Traveler Time Traveler! Explore the year a word first appeared

Dictionary Entries near machine bolt

machinate

machination

machine

machine bolt

machine buff

machine calender

machine cannon

Statistics for machine bolt

Look-up Popularity

Comments on machine bolt

What made you want to look up machine bolt? Please tell us where you read or heard it (including the quote, if possible).

Show Comments  Hide Comments 

WORD OF THE DAY

acceptation

a generally accepted meaning of a word

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games