Where"a*bout` (?), Where"a*bouts` (?), adv.
1.
About where; near what or which place; -- used interrogatively and relatively; as, whereabouts did you meet him?
⇒ In this sense, whereabouts is the common form.
2.
Concerning which; about which.
"The object
whereabout they are conversant."
Hooker.
© Webster 1913.
Where"a*bout` (?), Where"a*bouts` (?), n.
The place where a person or thing is; as, they did not know his whereabouts.
Shak.
A puzzling notice of thy whereabout.
Wordsworth.
© Webster 1913.