alphabet : Q
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
