cain
1 Americannoun
noun
-
(in the Bible) the first son of Adam and Eve, who murdered his brother Abel.
-
a murderer.
idioms
noun
noun
-
the first son of Adam and Eve, who killed his brother Abel (Genesis 4:1–16)
-
-
to cause a commotion
-
to react or protest heatedly
-
noun
Other Word Forms
Etymology
Origin of cain
Middle English ( Scots ) cane, from Scots Gaelic; compare Old Irish cáin “statute, law, rent”
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.
Geoffrey Cain, author of the book Samsung Rising, described him as "one of the most powerful people in the history of technology".
From BBC • Apr. 29, 2026
Mary Cain set several national high-school track records before turning pro as a teenager.
From The Wall Street Journal • Apr. 24, 2026
Cain, in which the doctrinal maze is itself the story.
From Slate • Apr. 10, 2026
Breaking Rust, Cain Walker, Aventhis, and Outlaw Gospel have more in common that cowboy hats, denim and leather.
From Barron's • Apr. 7, 2026
I sensed that Dr. Cain had leaned forward.
From "Popcorn" by Rob Harrell
![]()
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.