The gathering of birds, animals etc. into a pack.
Material used to fill in the space around something, especially to make a piston etc. watertight or airtight.
Material used to wrap a product for sale etc.; packaging.
The forming of players into a scrum.
The action of putting things together, especially of putting clothes into a suitcase for a journey.
Special material used to fill containers or vessels for certain chemically related applications.
A fee charged to cover the costs of packaging.
The spatial arrangement of objects, items or constituent parts.
A group of mallards (ducks).
The act of lining a canal with puddle to make it watertight.
The action of forming a puddle.
The first true industrial process to produce steel from pig iron.
A behaviour in which animals like butterflies seek out moist substances to obtain nutrients.
The process of working clay, loam, pulverized ore, etc., with water, to render it compact, or impervious to liquids.