What is the Latin word for ulcer?

The usual Latin words for “ulcer” are ulcus, suppūrātiō, fistula; also ăpostēma, abscēdō, vomica. The right choice depends on the sense; see the distinctions below.

English → Latin

“ulcer” in Latin

ulcussore, ulcer, wound suppūrātiōsuppuration; abscess fistulapipe, tube, especially a water pipe; hollow reed or cane; shepherd's pipe, pipes of Pan ăpostēmaan abscess abscēdōto go off or away, depart; to disappear, withdraw; to recede, retreat vomicaabscess, boil, sore, ulcer carbunculusdiminutive of carbō: small coal; kind of sandstone, red toph-stone; reddish, bright kind of precious stone, probably com cancĕrōmaa cancer carcinōmacarcinoma cancera crab; a tumor, cancer; a lattice, grid, or barrier

The English word ulcer itself goes back to Latin ulcus.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

ulcer

ulcus, -eris, neuter (general term for any festering sore): suppuratio (as discharging pus): fistula (an ulcer which grows out in the shape of a pipe, a fistula; Vid: Nep., Att., 21, 3): apostema, -atis, neuter (ἀπόστημα), or, pure Latin, abscessus, -ūs (an abscess): vomica (in the lungs or other intestines, which often breaks out and discharges pus; from vomere): carbunculus (a pestilential ulcer, red, with black or pale yellow pustules; Vid: Cels., 5, 28, No. 1): canceroma, -atis, neuter; carcinoma, -atis, neuter; pure Latin, cancer (a cancer, considered by the ancients as incurable by any means; a curable kind of it was called cacoethes; Vid: Cels., 5, 28, No. 10): epinyctis, syce (ulcer in the corner of the eye, which is always dropping): aegilopium, aegilops (a quasi fistula in the corner of the eye): *crithe (κριθή, sty; Vid: Cels., 7, 7, No. 2, tuberculum parvum, quod a similitudine hordei a Graecis κριθή nominatur): Full of ulcers, ulcerosus: an ulcer is forming under my tongue, sub lingua aliquid abscedit.

Quick answer

What is the Latin word for ulcer?: The usual Latin words for “ulcer” are ulcus, suppūrātiō, fistula; also ăpostēma, abscēdō, vomica. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.