1. A projecting point on an edge or surface; = JAG sb.1 4; a protuberance, swelling. rare. ? Obs.
1715. trans. Pancirollus Rerum Mem., II. App. 440. The Beginnings are a little rude till the little Jogs are rubbed off by Experience and Time.
174450. W. Ellis, Mod. Husbandm., III. II. 73 (E. D. S.). Hogs jogged under their throats we discharge by cutting, or running a red-hot iron through the bunch or jogg. Ibid., IV. I. 127.
2. A right-angled notch, recess, or step, in a surface; any space cut out by such a notch. U.S.
In the States, jog is used to signify any deviation from a straight line or even surface (Farmer, Americanisms, 1889).
1887. Morgan, Contrib. Amer. Ethnol., 157. The thickness of the main wall diminishing every story by retreating jogs on the inside, from bottom to top.
1884. B. B. Warfield, in Chr. Treas., Feb., 91/1. The parts historically dovetail together, jog to jog, into one connected and consistent whole.
1893. Mahan, Sea Power & Fr. Rev., iii. 80. Her [Spains] maritime advantages were indeed diminished by the jog which Portugal takes out of her territory.