Things That Are Square with O

• Ottoman

  Many ottomans are made as square footstools.

• oven door

  Oven doors are often roughly square or near-square.

• origami paper

  Origami paper is famously a square sheet.

• Office cubicle

  Cubicles are typically square work areas.

• oatmeal box
• office desk
• orange coaster

  Drink coasters are commonly small flat squares.

• Ottomans

  Ottomans are often low cube seats with square tops.

• orange crate

  Crates are boxy containers, often near‑cubic with square faces.

• open window

  Windows are commonly rectangular, many are near square.

• Oreo

  Oreo cookie pack box often cuboid/square

The words in the list Things That Are Square with O come from players of the word game City, Country, River.