Definition of "foci" []

• A plural of focus. (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.

• "Remaining weak point: the curses are the main thing that seems different about the Oracle and her foci from a normal cleric and her domains; a focus feels just kinda like a “double strength domain.”"
• "Domain foci, domain generalisability, also continues to push on something else I am not sure we’re always ready to accept, which is the increased diversity of knowledge in the discipline of Computer Science."
• "The infection of the cells incited them to grow uncontrollably, forcing them to form tiny distorted heaps containing hundreds of cells that Temin called foci the plural of focus."