Quarantine Quoin Quota Quotation Quay

Quarantine

A restraint placed on an operation to protect the public against a health hazard. A ship may be quarantined so that it cannot leave a protected point. During the quarantine period, the Q flag is hoisted.

 

Quoin

A wedge-shaped piece of timber used to secure barrels against movement.

 

Quota

The quantity of goods that may be imported without restriction during a set period of time.

 

Quotation

An offer to sell goods at a stated price and under stated terms.

 

Quay

A structure attached toland to which a vessel is moored.  See also Pier and Dock.