NUN BUOYA navigational buoy, conical in shape,
that marks the starboard side of a channel from
seaward. Even numbered and painted red.
OAKUMTarred hemp fiber used to caulk seams in
wooden decks and boats.
OODOfficer of the deck.
OFFSHORESome distance off the shore, as
contrasted to inshore.
ON THE BEACHAshore; also applied to a Sailor
who is assigned to shore duty or is unemployed,
retired, or otherwise detached from sea duty.
OUTBOARDAway from the centerline.
OVERBOARDOver the side.
OVERHAND KNOTSimplest of all knots; made
by passing one end of a line once around its
OVERHAUL(1) To repair or recondition. (2) To
overtake another vessel.
OVERHEADThe underside of a deck forming the
ceiling of the compartment below. Never called a
PAINTERLine used to make a boat fast by its bow.
When used under way, the painter causes the boat
to swing out from the side of the loop.
PARCELThe act of wrapping a line with narrow
canvas strips to provide waterproofing or to build
up a symmetrical shape for further covering.
PARTYA group having a common temporary
assignment or purpose, as a working party, a
line-handling party, or a liberty party.
PASSAGEWAYA corridor used for interior
horizontal movement aboard ship.
PAY OUTTo feed out, or lengthen, a line.
PELORUSA gyrocompass repeater used to take
PIERA structure extending from land out into the
water to provide a mooring for vessels.
PIER HEADSeaward end of a pier.
PIGSTICKSmall staff from which the commission
pennant is flown.
PILOTHOUSEEnclosure on the bridge housing
the main steering controls.
PILOTINGBranch of the science of navigation in
which positions are determined by reference to
visible objects on the surface or by soundings.
PIPEThe act of sounding a particular call on the
PITCHVertical rise and fall of a ships bow caused
by head or following seas.
PLAIN WHIPPINGA whipping made without
using a palm and needle.
POLLIWOGA person who has never crossed the
PORTTo the left of the centerline when facing
PROTECTIVE DECKSee ARMORED DECK.
PROWThat part of the stem (bow) above the
PURCHASEA machine thats a combination of one
or more blocks rove with a line or wire. When rove
with chain, called a chain fall.
chemicals that produce smoke or a brilliant light
when burning; used for signaling or for
QUARTERArea between dead astern and either
QUARTERDECKDeck area designated by the
commanding officer as the place to carry out
official functions; the station of the OOD in port.
QUARTERMASTERAn enlisted assistant to the
QUARTERS(1) Stations for shipboard evolutions,
as general quarter, fire quarters, quarters for
muster. (2) Living spaces.
QUAY(Pronounced key.) A solid structure along a
bank used for loading and off-loading vessels.
RADARA device that uses reflected radio waves to
RANGE(1) The distance of an object from an
observer. (2) An aid to navigation consisting of two
objects in line. (3) A water area designated for a
particular purpose, as a gunnery range.
RAT GUARDA hinged metal disk that can be
secured to a mooring line to prevent rats from
using the line to gain access to the ship.