(redirected from OK, Allow slack, Take up slack, Help)
OATHOpen Authentication
OATHObject Oriented Abstract Type Hierarchy
OATHOffice of Administrative Trials and Hearings (New York, NY)
OATHOntario Association of Trading Houses (Canada)
OATHOrganization of African Traditional Healers
OATHOswald and the Herringbones (band)
OATHOK, Allow slack, Take up slack, Help (underground/underwater rescue using a tending line)