To grin in a Glass Case. verb. phr. (old).—To be shown as an anatomical preparation. [The bodies and skeletons of criminals were once preserved in glass cases at Surgeon’s Hall.—Grose.] To flash the Upright Grin, verb. phr. (venery).—To expose the person (of women). Grinagog, the Cat’s Uncle, subs. phr. (old).—A grinning simpleton.—Grose. Grincums, subs. (old).—Syphilis. For synonyms, see Ladies’ Fever. 1608. Middleton, Family of Love, B. 1. I had a receipt for the grincomes in his own hand. 1635. Jones, Adrasta or the Woman’s Spleen, c. 2. You must know, sir, in a nobleman ’tis abusive; no, in him the serpigo, in a knight the grincomes, in a gentleman the Neapolitan scabb, and in a serving man or artificer the plaine pox. 1637. Massinger, Guardian, iv. The comfort is, I am now secure from the grincomes, I can lose nothing that way. Grind, subs. (common).—1. A walk; a constitutional: e.g., ‘to take a grind’ or (University) ‘to go on the Grandchester (or Gog Magog Hills) grind.’ 2. (common).—Daily routine; hard or distasteful work. 1853. Bradley, Verdant Green, pt. III., ch. xi. To a University man, a grind did not possess any reading signification, but a riding one. In fact, it was a steeple-chase, slightly varying in its details according to the college that patronised the pastime. 1870. London Figaro, 28 July. The world is a wearisome grind, love, Nor shirk we our turn at the wheel. 1880. A. Trollope, The Duke’s Children, ch. xxv. ‘Isn’t it a great grind, sir?’ asked Silverbridge. ‘A very great grind, as you call it. And there may be the grind and not the success. But——’ 1880. One and All, 27 Mar., p. 207. Soul-weary of life’s horrid grind, I long to come to thee. 3. (schools’).—Study; reading up for an examination; also a plodding student, i.e., a grinder. 1856. Hughes, Tom Brown’s School Days, pt. II., ch. v. ‘Come along, boys,’ cries East, always ready to leave the grind, as he called it. 1887. Chambers’ Jour., 14 May, p. 310. Smalls made just such a goal as was required, and the grind it entailed was frequently of no slight profit to him. 4. (medical students’).—A demonstration: as (1) a ‘public grind’ given to a class and free to all; and (2) a ‘private grind’ for which a student pays an individual teacher. In America, a quiz (q.v.). 5. (Oxford University).—Athletic sports. Also, a training run. 1872. Chambers’ Jour., April. Joe Rullock, the mighty gymnasiarch, the hero of a hundred grinds, the unwearied haunter of the palæstra, could never give the lie to his whole past life, and deny his own gymnastics. 6. (venery).—An act of sexual intercourse: e.g., To do a grind. [Mill and grindstone (venery) = the female pudendum.] For synonyms, see Greens and Ride. 1598. Florio, A Worlde of Wordes. Macinio, the grinding of grist. Also taken for carnal copulation.