[ pley-noh ]
/ ˈpleɪ noʊ /


pertaining to eyeglasses that do not contain a curvature for correcting vision defects: plano sunglasses.

Origin of plano

First recorded in 1945–50; independent use of plano-1

Definition for plano (2 of 5)

[ pley-noh ]
/ ˈpleɪ noʊ /


a town in N Texas.

Definition for plano (3 of 5)


a combining form meaning “flat,” “plane,” used in the formation of compound words: planography.
Also plani-; especially before a vowel, plan-.

Origin of plano-

combining form representing Latin plānus level, plānum level ground

Definition for plano (4 of 5)


a combining form meaning “moving,” “capable of movement,” used in the formation of compound words: planogamete.

Origin of plano-

combining form representing Greek plános wandering, roaming. See planet

Definition for plano (5 of 5)

de plano
[ di pley-noh, dee, dey ]
/ dɪ ˈpleɪ noʊ, di, deɪ /

adverb Chiefly Law.

without argument.
by manifest right; plainly.

Origin of de plano

From the Latin word dē planō Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for plano

British Dictionary definitions for plano


sometimes before a vowel plan-

combining form

indicating flatness or planenessplano-concave

Word Origin for plano-

from Latin plānus flat, level
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for plano



The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.