operation Copy link Outline I. Act of doing or workingII. Specially, a military or naval o.; usu. pl. Phr.III. A surgical o.1. mănūs cūrātio (Gr. χειρουργία, comprising the whole practice of surgery)2. meton. scalpellum (the lancet)3. sectio (with the knife)4. expr. by verb • operation: I. Act of doing or working: effectio (v. rare): Cic. Ac. 1, 2, 6. Usu. better expr. by verb: these things are the result of Divine o., *haec omnia a Deo parata atque effecta sunt. Phr.: the o. of all herbs is stronger in cold regions, omnes herbae vehementiores effectu viribusque sunt in frigidis locis, Plin. 27, 13, 119. II. Specially, a military or naval o.; usu. pl. Phr.: to conduct military o.s, rem bellicam administrare, Cic. Div. 2, 36, 76: or simply, bellum administrare, id. Man. 20, fin. (v. to carry on): naval o.s., res maritimae, Caes. B. G. 4, 23: all military o.s are suspended, omnis administratio belli consistit, id. B. C. 2, 12: Liv.: to recommence o.s after winter-quarters, ex hibernis movere (put the army in motion), Liv. 22, init. III. A surgical o.: 1. mănūs cūrātio (Gr. χειρουργία, comprising the whole practice of surgery): cases where a surgical o. is needed, ea quae c. manus postulant, Cels. 7, 7, 15: so with desiderare, ib. § 13. Or simply curatio (where the context explains): an extremely nice (delicate) o., curatio subtilissima, ib. l. c.: to be very careful throughout the o., magnam diligentiam per omnem c. habere, ib. 7, 12, 5. 2. meton. scalpellum (the lancet): cases which call for a surgical o., quae scalpellum desiderant, ib. 7, 19, init.: to try bandages before proceeding to a surgical o., ante sc. vincturam experiri, ib. 7, 20, init.: see also to operate (II.). 3. sectio (with the knife): Plin. 25, 13, 94, fin. (in Cels. pref. p. 6, Millig. = dissection). 4. expr. by verb: to perform an o., secare, urere, etc.; to undergo one, secari, uri, etc.: v. to operate (II.). To perform the o. for the stone, calculos extrahere, evellere, Cels. 7, 26: to perform the Caesarean o., *caeso matris utero puerum extrahere, cf. Plin. 7, 9, 7.