Lewis Short
dēlectātĭo (noun F) : id.
* A delighting, delight, pleasure, amusement (freq. and good prose): delectatio voluptas suavitate auditus animum deleniens, etc., Cic. Tusc. 4, 9: homo videndi et audiendi delectatione ducitur,id. Off. 1, 30; so, conviviorum,id. de Sen. 13, 45. More freq. without gen.: mira quaedam in cognoscendo suavitas et delectatio,Cic. de Or. 1, 43, 193; so, jucunditas delectatioque,id. ib. 3, 38, 155; with voluptas,id. Fam. 9, 24, 2: (doctrina et literae), quae secundis rebus delectationem modo habere, videbantur, nunc vero etiam salutem,id. ib. 6, 12 fin.: gratiam et delectationem afferunt,Quint. 2, 13, 11; 9, 4, 9 et saep.; Ter. Heaut. 5, 2, 34: in amicitia,Vulg. Sap. 8, 18.—In plural, Cic. Mur. 19, 39 al.
* As medic. t. t., a straining, effort, tenesmus (late Lat.): frequens ventris egerendi,Cael. Aur. Tard. 4, 6, 88; 4, 3, 46.
Charlton T. Lewis, Charles Short, A Latin Dictionary