κατάκλᾰσις,εως,ἡ,
A. forced position, τῶν ἄρθρων
Hp. Epid. 6.1.15
(pl.).
2. κ. ὄμματος droopingof the eyelid, Id. Prorrh. 1.84 (vv. ll.-κλισις, -κλεισις), cf. Epid. 6.1.15 , Gal. 16.675 .
II. refractionof light or sound, opp.ἀνάκλασις(reflexion), Arist. Pr. 901b20 , 904b30 , Cleom. 2.6 .