A person or thing that is seminal and influential.
The front part of a semi-trailer type truck, i.e., the tractor to which the trailer part attaches.
A military or heavy construction vehicle.
The initial agent that is the cause of all things.
A machine, such as a water wheel or steam engine, that receives and modifies energy as supplied by some natural source or fuel and transforms it into mechanical work
A person or organisation with a legitimate interest in a given situation, action or enterprise.
A person holding the stakes of bettors, with the responsibility of delivering the pot to the winner of the bet.
A person filing an interpleader action, such as a garnishee or trustee, who acknowledges possession of property that is owed to one or more of several other claimants.
An escrow agent or custodian.