Definition of "old-line" []

• Adhering to conservative or reactionary principles: an old-line senator. (adjective)
• Long established: an old-line New England family. (adjective)

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.

• "We in the so-called old-line churches have, in my humble judgment, missed one of our greatest possible contributions by failing to point out with positiveness that there is a sound message of health in Christianity."
• "The old-line white Southerners still held a lot of sway with party elders, so they were going to be heard."
• "What do you do with an employee who is trained to operate a specific machine in an old-line industry that no longer employs Americans?"