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  • Gallo
    Gallo
    noun
    Robert (Charles), born 1937, U.S. scientist, specializing in cancer and AIDS research.
  • Gallo-
    Gallo-
    a combining form representing Gallic in the formation of compound words.

Gallo

1 American  
[gal-oh] / ˈgæl oʊ /

noun

  1. Robert (Charles), born 1937, U.S. scientist, specializing in cancer and AIDS research.

Gallo- 2 American  

  1. a combining form representing Gallic in the formation of compound words.

    Gallo-Romance.
Gallo- British  
/ ˈɡæləʊ /

combining form

  1. denoting Gaul or France

    Gallo-Roman
"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

Etymology

Origin of Gallo-

< Latin, equivalent to Gall ( us ) a Gaul + -o-

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They paved the way for modern examples such as Adam Dunn and Joey Gallo.

From The Wall Street Journal • Apr. 30, 2026

A minor infelicity is the distractingly busy set by David Gallo.

From The Wall Street Journal • Apr. 26, 2026

The company is aiming to grow its identity solutions into a comprehensive platform that covers the workforce, customers and now agents, which Jefferies’s Gallo believes will massively expand Okta’s total addressable market.

From MarketWatch • Mar. 14, 2026

While operating margins of 25.3% fell short of consensus analyst estimates for 26.4%, this is actually a positive sign that management is prioritizing business investments, Gallo wrote in a note following the company’s earnings report.

From MarketWatch • Mar. 14, 2026

We had asked permission for this brief detour to El Gallo on our way to Puerto Plata today.

From "In the Time of the Butterflies" by Julia Alvarez

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.