Noun

1. The smallest part of a town enclosed by streets.

   The store is huge, occupying an entire city block.

2. The distance from one street to the next.

   A city block in Lawrence is generally 1/12 of a mile East-West or 1/8 of a mile North-South.

3. A distance comparable to the distance between streets in a city, in the approximate range of 0.2 - 0.4 km.

   Go along that road for about a city block and you should see an old barn.