DICTIONARY OF

Diphda 114 Discipline
Diphda. Star Ceti. S.H.A. 350°; Dec. S18°; Mag. 2-2.
Dipper. Ladle used for baling a boat. 2. Name is common in U.S.A., and in Britain, for
constellation Ursa Major.
Dipping a Light. Sailing away from a navigational beacon light and so causing it to dip
below horizon.
Dipping Colours—Ensign. Lowering national colours as a salute.
Dipping Lug. Lugsail that has to be lowered a little, when going about, so that throat of sail
and end of yard can be dipped round mast.
Dipping Needle. Magnetic needle on horizontal axis; used when measuring inclination of
Earth's magnetic force.
Dipsy. Name sometimes given to deep sea lead. 2. Float on fishing line.
Direct Current. Electrical current flowing in one direction.
Directing Force. That component, of magnetism of a compass needle, that directs the needle
into the magnetic meridian.
Direction. Of wind, is compass point from which it blows. Of current, is direction towards
which it sets.
Direction Finder. Instrument for finding the bearing of a transmitting radio station or radio
beacon.
Directive Force. 'Directing Force.'
Direct Motion. Movement in space that is in direction of Earth's rotation and Sun's apparent
motion in heavens. All planets have direct motion. Applied to movement of planet when its
right ascension increases.
Direct Tide. Undulation of tide that synchronises with Moon's transit at a place.
Dirk. Short sword forming part of R.N. midshipman's uniform. Also, colloquial name for a
seaman's knife.
Disbursement. The paying of money. Sum of money paid out.
Disbursements. Sums of money paid out of a fund credited or allotted.
Disc. Circular face of a solar system body.
Discharge. To put cargo out of a ship and obtain freedom of responsibility for it. 2. To pay
off a man, or crew, and relinquish all claims for service.
Discharge Book. Continuous record of a seaman's service at sea. Issued by D.T.I, and held
by man except when actually serving in ship. Contains names and particulars of ships served
in, rating, reports on character and ability. Held in custody of master while serving in ship.
Discipline. Due and honest rendering of service and obedience. Equitable co-ordination of
duties and responsibilities for the common benefit. Maintenance of proper subordination.