sin-, sinus-

prefix meaning "hollow, cavity, or to curve": sinography, sinuses, sinusotomy.
References in periodicals archive ?
Although Raisin considers this place to be "secret," she nonetheless shares it with Sin- Sin.
In these scenes, Sherman develops a level of intertextuality by alluding to The Scarlet Letter in her depiction of the controversy in Pearl about who fathered Sin- Sin.
Marie Fortune distinguishes between sin- as-disobedience and sin-as-harm-done-to-another, so that the abused can be empowered to know that God sides with the victim.