ppl. a. [f. as prec. + -ING2.] That constricts; compressing, squeezing tightly all round.
1836. Penny Cycl., V. 20/1. Virgils Laocoön, and the unrivalled marble group owe their origin undoubtedly to the stories current of constricting serpents.
1883. L. Brunton in Nature, 8 March, 438. The constricting fibres which issue from the ganglion and pass to the ear.