The letter Ч, ч.
"The Russian alphabet includes the letter che, which looks like a lowercase 'h' but is pronounced differently."
In plain English: Che is an old-fashioned term for a person who does not have enough money to buy basic necessities.
"The little girl dropped her ice cream cone and let out an unhappy che before crying."
I.
"I could not generate that sentence because you did not provide the specific definition text following "I." Please include the exact meaning so I can create an accurate example."
Initialism of Carnian humid episode.
"The geological record shows that ferns and horsetails flourished during the che, a period of intense rain within the Late Triassic epoch."
The word che was borrowed directly from the Russian language. It entered English without a change to its original meaning or form.