Thomas Davidson,
Chambers's Twentieth Century Dictionary 1908…
(1908)
“ Dip, dip, v.t. to dive or plunge into any liquid for a moment: to lower and raise again (as a flag) : to baptise by immersion.—v.i. to sink: to enter slightly: to look cursorily: to incline downwards:—pr.p. dip′ping; pa.p. dipped.—n. inclination downwards: a sloping: (geol.) the angle a stratum of rock makes with a horizontal plane: a bath: a candle made by dipping a wick in tallow.—Dip of the horizon, the angle of the horizon below the level of the eye; Dip of the needle, the angle a balanced magnetic needle makes with the plane of the horizon, measured by the Dipping needle, or Compass. ”
