Definition, synonyms and related words
Obsolete spelling of oath
"The form requires your full name and oth contact information for verification purposes."
Abbreviation of other.
Initialism of over the horizon: a form of radar that can detect targets at very long ranges, typically hundreds to thousands of kilometres, beyond the radar horizon.
"The defense analysts relied on OTH radar to track enemy submarines hiding far beneath the surface of the ocean, well beyond what standard systems could see."