initial side

noun

: a stationary straight line that contains a point about which another straight line is rotated to form an angle compare terminal side

Examples of initial side in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As long as the wall remains intact, the ball will always remain on that same, initial side of the wall. Ethan Siegel, Big Think, 8 Oct. 2025 However, new users may want to wait to get vaccines until any initial side effects of the drug have subsided. Rachel Murphy, Verywell Health, 3 Nov. 2023 Second, although the initial side effects of the vaccine can be rough for people with long COVID symptoms, there are many case reports of the symptoms improving after vaccination. Dr. Keith Roach, oregonlive, 16 July 2021

Word History

First Known Use

1957, in the meaning defined above

Time Traveler
The first known use of initial side was in 1957

Browse Nearby Words

Cite this Entry

“Initial side.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/initial%20side. Accessed 5 Jul. 2026.

Love words? Need even more definitions?

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

More from Merriam-Webster