Other forms: packed, packs, packing
To pack is to put your things into a bag or a case before a journey. Pack a suitcase, have you packed?, pack light.
It also means to fill a space tightly — the hall was packed, pack the boxes with newspaper — and to press things together. The noun is busy: a pack of cards, a pack of wolves, a pack of biscuits, a backpack. Note pack up, which means both to finish work for the day and, of a machine, to stop working altogether: the boiler has packed up. And pack in is British informal for giving something up: he packed in his job.
1verbpackTo put things into a bag or case for a journey.
“She packed in ten minutes and forgot her charger.”
2verbfillTo fill a space tightly.
“The hall was packed by half past seven.”
3nouncontainerA container or set of things sold together.
“A pack of six is cheaper than two packs of three.”
4noungroupA group of animals that hunt together.
“A pack of wild dogs was seen on the ridge.”
Too few real examples of this word to estimate which sense is commonest.
pack is a way of filling, or a bundle.
Pack came into English from Middle Dutch, a trading word for a bundle of goods. Almost every English word about bundles and bales arrived the same way, through the wool trade with the Low Countries.
Middle English
pak
English, today
pack
From Middle English pak. From Middle English pak, pakke, from Old English pæcca and/or Middle Dutch pak, packe; both ultimately from Proto-West Germanic pakkō, from Proto-Germanic pakkô (“bundle, pack”). Cognate with Dutch pak (“pack”), Low German Pack (“pack”), German Pack (“pack”), Swedish packe (“pack”), Icelandic pakka, pakki (“package”).
Etymology from Wiktionary, CC BY-SA