how many angels can stand (dance) on the head of a pin?

Scornful description of a tedious concern with irrelevant details; an allusion to religious controversies in the middle ages. In fact, the medieval argument was over how many angels could stand on the point of a pin.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.