Sibilanter
Sibilanter is a term that has appeared in limited online discussions and experimental linguistics contexts related to sibilant consonants. It does not have a single, widely accepted definition in standard reference works, and its meaning can vary depending on who uses it.
Possible senses that have circulated in informal use include: as a noun, a sibilanter could be described
Etymology traces the form to the root sibilant, from Latin sibilare meaning to hiss, with the agent-noun