1. the four cardinal directions; north, east, south and west; all directions
四方から完全に包囲される。They are completely surrounded on all sides.
2. surroundings
when read as "しほう, よほう"
何しろ四方はみな同じようなマンションなのだ。After all, the surroundings are all similar-looking apartment buildings.
3. many countries; the whole world
when read as "しほう"
4. all around; here and there
when read as "よも"
5. square; quadrilateral; four-sided figure
when read as "しほう, よほう"
部屋はだいたい十メートル四方。The room is about ten meters square.
6. four sides (of a square)
四方の壁に、それぞれ三つずつ扉がついている。Each of the four walls has three doors.