(used to imply that either or both of the things mentioned may be affected or involved): insurance covering fire and/or wind damage.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use and/or in a sentence
But Elsa and Andor had remained behind close beside the shrine.
And Elsa has given her father and mother the slip, and joined Andor outside the barn.
Andor with a sigh of heartbroken disappointment now turned to go into the inn.
And in truth, never had man so desperate a longing to kill as Andor had at this moment.
She came running out of the room, and as she reached the door she called to Andor.
British Dictionary definitions for and/or
(coordinating) used to join terms when either one or the other or both is indicated: passports and/or other means of identification
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Other Idioms and Phrases with and/or
Both or either of two options. For example, His use of copyrighted material shows that the writer is careless and/or dishonest. This idiom originated in legal terminology of the mid-1800s.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.