engine Copy link Outline 1. māchĭna2. māchĭnātio3. māchĭnāmentum4. tormentum (a military e. for discharging heavy missiles)5. orgănum (ὄργανον • engine: 1. māchĭna: to capture a town by means of e.s of all kinds, machinis omnium generum expugnare oppidum, Sall.: Hor. (who applies the term to windlasses, Od. 1, 4, 2): Veget. 2. māchĭnātio: (strictly the act of contrivance or construction: hence usually with the notion of activity, force applied): to advance e.s of such enormous height, tantae altitudinis machinationes promovere, Caes. B. G. 2, 31: Liv. Vitr. 3. māchĭnāmentum: e.s for battering walls, m. quatiendis parietibus, Liv. 24, 34, med.: Veget. 4. tormentum (a military e. for discharging heavy missiles): e.s and works of war, t. bellica atque opera, Liv. 24, 34: to arm a wall with every kind of offensive e., murum omni genere tormentorum instruere, Liv. l. c.: Caes. 5. orgănum (ὄργανον: rare): Vitr. 10, 10 (15), init. N.B.--For various kinds of siege engines, see Liv. l. c. and Veget. 4, 13, sqq.