SINCE 1828

An Encyclopædia Britannica Company

Medical Dictionary

dorsolumbar

adjective dor·so·lum·bar \ ˌdȯr-sō-ˈləm-bər , -ˌbär \

medical Definition of dorsolumbar

: of or involving structures in the region occupied by the dorsal and lumbar vertebrae

dorsolumbar myelitis

a dorsolumbar laminectomy

Seen and Heard

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

show

WORD OF THE DAY

riposte

play

a quick and clever reply

Words at Play

Noun + Verb Insult Generator

A collection of obscure put-downs

alt-5b0834b915e3f

'Judicial' v. 'Judicious': We'll Settle The Case

A judgment call

alt-5b06e60511014

'Deprived' vs. 'Depraved'

Nobody wants to be either.

alt-5b05d8545c817

'Folksonomy': Let’s Get Organized

Tag the way you want to tag.

Ask the Editors

video-ghost-words

Ghost Word

The story of an imaginary word that managed to sneak past our editors and enter the dictionary.

2017 Word of the Year: Behind the Scenes

How we chose 'feminism'

video-literally

Literally

How to use a word that (literally) drives some people nuts.

video-his-or-her

Is Singular 'They' a Better Choice?

The awkward case of 'his or her'

Word Games

May 2018 Words of the Day Quiz

We’re already at the end of May?!

Take the quiz

Words Used by Nabokov Quiz

How familiar are you with Nabokov’s unfamiliar vocabulary?

Take the quiz

True or False?

Test your knowledge - and maybe learn something along the way.

Take the quiz

Word Winder's CrossWinder

Word Winder's CrossWinder

A game of winding words.

Play the game