ppl. a. [f. as prec. + -ING2.] That constricts; compressing, squeezing tightly all round.

1

1836.  Penny Cycl., V. 20/1. Virgil’s Laocoön, and the unrivalled marble group … owe their origin undoubtedly to the stories current of constricting serpents.

2

1883.  L. Brunton in Nature, 8 March, 438. The constricting fibres which issue from the ganglion and pass to the ear.

3