mid·​line | \ ˈmid-ˌlīn How to pronounce midline (audio) , -ˈlīn\

Definition of midline

: a median line especially : the median line or median plane of the body or some part of the body

Examples of midline in a Sentence

Recent Examples on the Web

Sam Harrell moved from the midline option in the late 1990s to a hurry-up, pass-centric system after his two-minute offenses kept scoring touchdowns. Ross Dellenger, SI.com, "Graham Harrell, the Air Raid and Clay Helton's All-in Gamble to Turn Around USC," 1 Aug. 2019 Women backline costumes range from $165-350USD whereas midline and frontline costumes cost between $400-850USD. Anquanette Gaspard, Essence, "Tell Dem We Reach! A First-Timer’s Guide to Caribana, Toronto's Caribbean Carnival," 24 July 2019 Whether your inner thighs are touching or not, intentionally squeezing them towards the midline of your body is important to keep the core and centerline tight. Stephanie Mansour, NBC News, "5 ways to avoid back pain during yoga class," 22 July 2019 Keeping elbows close to your body, bring weighs in to midline of body and cross your right dumbbell over the left. Rozalynn S. Frazier, Health.com, "This 30-Day Arms Challenge Will Transform Your Upper Body In Just 4 Weeks," 10 June 2019 Experts often focus on the gluteus medius, a hip abductor muscle (responsible for moving the leg away from the midline of your body) located on the outside of each hip (think: side butt). Amy Marturana, SELF, "Here’s What Proper Running Form Actually Is and How Much You Should Care About It," 2 Apr. 2019 However, the tumor, in crossing the brain’s midline, abuts and has possibly invaded a major blood supply. Daphne Beal, Vogue, "After One Writer Finds Out She Has a Brain Tumor, She Confronts It Head On," 10 Aug. 2018 Modern bird tongues are exceptionally diverse and can be highly mobile, thanks to complex hyoids that include multiple structures that may extend along the midline to the tongue’s tip. Mindy Weisberger, Scientific American, "T. Rex Couldn’t Stick Out Its Tongue," 24 June 2018 The key, when shooting from the left corner, is to place your kick on the ball's right hand side, a couple of inches below the midline. Robbie Gonzalez, WIRED, "The Physics of the One Goal You Won't See at the World Cup," 15 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'midline.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of midline

14th century, in the meaning defined above

Keep scrolling for more

Learn More about midline

Statistics for midline

Last Updated

14 Aug 2019

Look-up Popularity

Time Traveler for midline

The first known use of midline was in the 14th century

See more words from the same century

Keep scrolling for more

More Definitions for midline


mid·​line | \ ˈmid-ˌlīn, ˌmid-ˈlīn How to pronounce midline (audio) \

Medical Definition of midline

: a median line especially : the median line or median plane of the body or some part of the body

More from Merriam-Webster on midline

Rhyming Dictionary: Words that rhyme with midline

Comments on midline

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


to move or obtain by small maneuvers

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!


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

Love words? Need even more definitions?

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