A solid shape with six rectangular faces, like a rectangular box or brick.
From Latin 'cubus' (cube) combined with Greek '-oid' (resembling), created in the 1600s to describe shapes similar to but not exactly cubes.
Your skull bone called the cuboid is one of the tarsals in your foot—named for its cube-like shape, though it's actually more of a stretched cube, which is why 'cuboid' means 'cube-like' rather than 'perfectly cubic.'
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