Synonyms and related words :
Big Ben, astronavigation, celestial navigation, clock, clock movement, clockworks, coastwise navigation, consolan, dead reckoning, fix, horologe, horologium, line of position, loran, pilotage, plane sailing, point-to-point navigation, radar, radio beacon, radio navigation, sextant, shoran, sofar, sonar, tables, ticker, timekeeper, timepiece, timer, turnip, watch, watchworks,