simple past tense and past participle of pack

Put into a package. / Filled with a large number or large quantity of something. / (colloquial) Filled to capacity with people.

A bundle made up and prepared to be carried; especially, a bundle to be carried on the back, but also a load for an animal, a bale. / A number or quantity equal to the contents of a pack / A multitude.

(transitive) To make a pack of; to arrange closely and securely in a pack; hence, to place and arrange compactly as in a pack

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

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.

present participle of pack on

simple past tense and past participle of pack on

(idiomatic, transitive) To give up, to quit. / (idiomatic) To include (especially of a large amount). / (mountain climbing) To transport to base camp, especially by backpack.