I. ̷ ̷| ̷ ̷| ̷ ̷ adverb
: in or on an upper story
they sat abovestairs
II. adjective
Etymology: abovestairs (I)
: located on an upper story
a room abovestairs
III. noun plural but singular in construction
Etymology: abovestairs (I)
: the part of a building above the ground floor
a shout from abovestairs