Her eyes 'strayed from' her computer to the window. [=she stopped looking at her computer and began looking at/out the window]
a 'straying' husband [=a husband who has sexual relations with a woman who is not his wife]
I matched up the socks in the laundry but I was left with one 'stray'. [=one extra sock]
(..) I gotta remember, it's gonna kill me. Hold on. No, I don't know. I, I, I thought I know. Hey, you ever hang out down on th Street with a stray named Kelvin? - Yeah, yeah, yeah. Kelvin, the Labrador. - What? You gotta gimme something here, cause this is redonkulous. Absolutely redonkulous! (..)2008 Bolt