pebble-dash

/P EH1 B AH0 L D AE0 SH/
noun
  1. 1

    A coating of small pebbles sprayed onto soft plaster or cement, used as decoration on exterior walls.

verb
  1. 1

    To apply pebble dash to a wall.

Source: https://en.wiktionary.org/wiki/pebble%20dash, https://en.wiktionary.org/wiki/pebble-dash