Definition of "cellmate" [cellmate]

• A person with whom one shares a cell, especially in a prison. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "But Monday, defense attorneys called another cellmate to the stand."
• "When I was in prison, my cellmate was a half-breed Arapaho."
• "The cellmate was a parole violator who had been sentenced to two years in prison for failing to register as a sex offender, according to a prison report."