Typical sizes embrace 7′, 8′, and 9′ playfields; the 7′ is widespread in residential spaces for tighter rooms, the 8′ balances home comfort and near-regulation play, and the 9′ targets devoted recreation rooms and small venues. 186 and so outside the cue sports trade, which has long favored the extra formal term pocket billiards, the widespread name for the sport has remained pool.