(transitive, informal) To add (fat, muscle, etc.) so as to increase mass or bulk.

Alternative form of six-pack

(bodybuilding) An exceptionally well-developed set of abdominal muscles in which eight distinct portions of muscle are visible.

(obsolete) Able to be easily pacified.

(formal) pacifying, placation

A Peruvian leguminous tree, Inga feuilleei, cultivated for its large white edible pods.

Alternative spelling of pacay

present participle of pack

The action of putting things together, especially of putting clothes into a suitcase for a journey. / (sciences, mathematics) The spatial arrangement of objects, items or constituent parts.

(physics) a collection of waves, travelling together / (physics) a probability wave