Glossary of Shipping Terms
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.
Quay – A structure attached to land to which a vessel is moored.See also Pier and Dock.
Quoin – A wedge-shaped piece of timber used to secure barrels against movement.
Quotation – An offer to sell goods at a stated price and under stated terms.
Quota – The quantity of goods that may be imported without restriction during a set period of time.