Answer:

hor

AnswerCrossword Clue
HORNot vert.
HORTV knob abbr.
HORVert.'s opp.
HOROld TV button distinct from vert.
HOROpposite of vert.
HORPerp. to vert.
HOROpp. of vert.
HORBiblical mountain where Aaron died
HOROld TV control
HOROld TV knob abbr.
HORVert. counterpart
HORObsolete TV control
HOROld TV knob
HORVert. counterpart, on old TVs
HORVert. opposite
HOR90 degrees from vert.
HORPerpendicular to the vert.
HORCounterpart of vert.
HORTV adjustment
HORVert.'s opposite
HORLevel with the ground (abbr.)
HORBygone TV knob
HORBygone TV control
HOREarth-sky boundary: Abbr.
HORVert.'s counterpart
HOREarth-sky juncture: Abbr.
HORTV adjustment: Abbr.
HORNot vertical: Abbr.
HORPerpendicular to vert.
HORKnob on an old TV
HORKnob on old TVs: Abbr.
HORRoman writer: Abbr.
HORWhere earth meets sky: Abbr.
HORAaron's burial place.
HORLevel: Abbr.
HORMount where Aaron died.
HORMountain of Aaron's tomb.
HORMountain in Jordan.
HORAaron's mountain.
HORBiblical mount.