adv. 25B6; adverb
there were houses scattered around : ON EVERY SIDE, on all sides, throughout, all over (the place), everywhere; about, here and there.
he turned around : IN THE OPPOSITE DIRECTION, to face the other way, backwards, to the rear.
there was no one around : NEARBY, near, about, close by, close (at hand), at hand, in the vicinity, at close range.
25B6; preposition
the palazzo is built around a courtyard : ON ALL SIDES OF, about, encircling, surrounding.
they drove around town : ABOUT, all over, in/to all parts of.
around three miles : APPROXIMATELY, about, round about, circa, roughly, something like, more or less, in the region of, in the neighbourhood of, give or take (a few); nearly, close to, approaching; Brit. getting on for; N. Amer. informal in the ballpark of.