What 螓 means
A small, broad-headed cicada.
You will not meet it in everyday Chinese. Its modern life is literary, carried by the Shijing formula 螓首蛾眉, where the insect's square forehead stands for a beautiful brow paired with moth eyebrows. Early glossaries in the Erya tradition use it the same plain way: an insect name, sorted by size and patterned form.
Read 螓 alone as literary.
Alone in a message, read it as a classical flourish and ask what phrase the sender has in mind.
The Japanese reading of 螓 is ししむし. The Nihon Ryōiki (810–824) records a pun on death that made hearing the insect ominous.
Questions people ask
1Is 螓 an emoji?
No. It is a typed Han character; fonts draw its glyph, so visual differences do not create different meanings.
How to type 螓
螓\8793Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.