1 Increasing thoracic volume results in decreased pleural pressure, increased alveolar volume, decreased alveolar pressure, and air movement into the lungs.  Decreasing thoracic volume results in increased pleural pressure, decreased alveolar volume, increased alveolar pressure, and air movement out of the lungs.
Freebase(5.00 / 1 vote)Rate this definition: Orchard. An orchard is an intentional planting of trees or shrubs that is maintained for food production. Orchards comprise fruit or nut-producing trees which are grown for commercial production. Orchards are also sometimes a feature of large gardens, where they serve an aesthetic as well as a productive purpose.
Definition 2: large evergreen tropical tree cultivated for its large oval fruit - [noun denoting plant] 1  Synonyms for mango in the sense of this definition. ( 2 mango is a kind of ...) tree bearing edible fruit. ( 3 mango is a part of ...) large oval tropical fruit having smooth skin, juicy aromatic pulp, and a large hairy seed.