We don't have synonyms for constrictors yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are constructor, constrictor and constrictory.
(n) :
(anatomy) A muscle whose contraction narrows a vessel or passage or compresses an organ.
(n) :
Ellipsis of boa constrictor, either the species Boa constrictor or a similar snake that kills by constriction. [A large tropical American snake, Boa constrictor, that kills its prey by squeezing them.]
(n) :
(anatomy) Ellipsis of pharyngeal constrictor (“each of the muscles which constrict the pharynx”). [(anatomy) One of the three muscles that constrict the pharynx.]
(n) :
(anatomy) A muscle whose contraction narrows a vessel or passage or compresses an organ.
(n) :
Ellipsis of boa constrictor, either the species Boa constrictor or a similar snake that kills by constriction. [A large tropical American snake, Boa constrictor, that kills its prey by squeezing them.]
(n) :
(anatomy) Ellipsis of pharyngeal constrictor (“each of the muscles which constrict the pharynx”). [(anatomy) One of the three muscles that constrict the pharynx.]