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(used to imply that either or both of the things mentioned may be affected or involved):
insurance covering fire and/or wind damage.
Contemporary Examples

In the interest of avoiding duplicates, we selected one for each based on factors including popularity and/or campaign activity.
The Social-Media Primary October 15, 2011

On the other hand, when you go on too late, your audience is leaning toward “tired” and/or “one cocktail too many.”
My Rocky Time As A Woman Writer on ‘SNL’ Carol Leifer April 5, 2014

For Jeter and/or his team of representatives, that criticism is going to slide away like he was made of pure Teflon.
Why We Worship Derek Jeter (Even If He Kinda Sucks at Shortstop) Robert Silverman February 12, 2014

Either way is bad news: it will be difficult to recruit new workers, and/or difficult to find work for the people in the union.
Obamacare May Put Some Unions Out of Business Megan McArdle April 17, 2013

So if Gingrich loses Alabama and/or Mississippi, expect the chatter about whether he should pull the plug to grow louder.
Can Newt Gingrich Hang On After Alabama and Mississippi Primaries? Howard Kurtz March 12, 2012

Historical Examples

That was the result of Latterman’s bright idea to trap Claire and/or me into betraying Literacy.
Null-ABC Henry Beam Piper and John Joseph McGuire

There were watermills and/or windmills for grinding grain, for malt, and/or for fulling cloth.
Our Legal Heritage, 5th Ed. S. A. Reilly

Did he attempt to converse, or converse with Lee, and/or with Marina in Russian on that occasion?
Warren Commission (1 of 26): Hearings Vol. I (of 15) The President’s Commission on the Assassination of President Kennedy

Butter and/or egg yolk is mixed in with salt, and either pepper or caraway seeds.
The Complete Book of Cheese Robert Carlton Brown

Additional stripes may form later on the 2nd and/or 10th rows of dorsal scales.
A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) John Wellman

conjunction
(coordinating) used to join terms when either one or the other or both is indicated: passports and/or other means of identification
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.