1818, "inner court open to the sky," from Spanish patio probably from Old Provençal patu, pati "untilled land, communal pasture," from Latin pactum "agreement" (see pact) [..]

An outdoor area which can be an addition to the home or built free standing. It is generally known as a quiet area where guests can be entertained or can sit back by the pool side. Patios can be hardscaped and feature many ornaments.

A paved area instead of a lawn

A patio is an outdoor space generally used for dining or recreation that adjoins a residence, and is typically paved.

Patio is a Spanish word for an arcaded or colonaded courtyard. It is now applied to any small paved area in a garden.

Any paved area (concrete, brick, flagstone, etc.) meant for recreational purposes.

(n) usually paved outdoor area adjoining a residence

Similar to a terrace, a patio is an outdoor extension of a building, situated above the ground level, and open to the sky. Colloquially, a patio is a more informal space than a terrace.

A patio is an outdoor space generally used for dining or recreation that often adjoins a residence and is typically paved. It may refer to a roofless inner courtyard of the sort found in Spanish-style [..]

A region of a carrier's flight deck, starboard side aft of elevator three.

outdoor dining/recreation area.

A paved outside area, adjoining a house, used for dining or recreation. An inner courtyard typical of traditional Spanish houses.

patio