Dictionary.com
definitions

I-bar

[ ahy-bahr ]
/ ˈaɪˌbɑr /

noun

an I-beam used for structural support, as in buildings or bridges.

RELATED CONTENT

I vs. MeIs it “my friends and I,” or “my friends and me?” I is a subject pronoun, and me is an object pronoun. This means I can be used as the subject of a sentence, and me can only be used as the object of one. I can perform an action, while me can only have actions performed upon it. Subject vs. Object Pronouns A subject …
READ MORE
Is It “I Wish I Were” Or “I Wish I Was”?Picture it. You are texting your buddy, and you type out “I wish I were.” But there’s that pesky autocorrect, trying to change it to “I wish I was.” Is autocorrect ducking with you, or are you about to commit a grammar faux pas?
READ MORE

Origin of I-bar

First recorded in 1885–90

Definition for i-bar (2 of 2)

I-beam

[ ahy-beem ]
/ ˈaɪˌbim /

noun

a rolled or extruded metal beam having a cross section resembling an I.Compare H-beam.

Origin of I-beam

First recorded in 1890–95
Also called I-bar [ahy-bahr] /ˈaɪˌbɑr/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for i-bar

I-beam

noun

a rolled steel joist or a girder with a cross section in the form of a capital letter ICompare H-beam
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