dead reckoning

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Related to Ded reckoning: Dead-reckoning, Deduced Reckoning

dead reckoning

n.
1. A method of estimating the position of a vehicle such as an aircraft or a ship based on its previous position and its course and speed over a known interval of time.
2. Predictive calculation based on inference; guesswork.

[Possibly alteration of ded., abbr. of deduced, from deduce, to trace from the beginning; see deduce.]

dead reckoning

n
(Navigation) a method of establishing one's position using the distance and direction travelled rather than astronomical observations

dead′ reck′oning


n.
Navig. calculation of one's position on the basis of compass readings, speed, and distance run from a known point, with allowances for drift from wind, currents, etc.
[1605–15]
dead′-reck′on, v.t.
dead′-reck′on•er, n.

dead reckoning

- A calculation based on guesswork.
See also related terms for reckoning.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.dead reckoning - an estimate based on little or no informationdead reckoning - an estimate based on little or no information
approximation, estimate, estimation, idea - an approximate calculation of quantity or degree or worth; "an estimate of what it would cost"; "a rough idea how long it would take"
2.dead reckoning - navigation without the aid of celestial observations
navigation, pilotage, piloting - the guidance of ships or airplanes from place to place
References in periodicals archive ?
You'll recall the three basic forms of navigation: Pilotage, ded reckoning and electronic.
We (the photographer and me) decided to plan a flight that would be at least an hour in length, would not depend to any great extent on electronic navigation, and would allow us to exercise both our ded reckoning and pilotage skills.