👉 In the context of linguistics, "bidens" is a term used to denote a type of speech or expression. It refers to a specific type of sound that is produced by a person's lips and mouth as they speak, without any associated vocal cords or vibrato. This type of speech is commonly known as a "vocalic" speech, and it is characterized by a series of sounds that are made with the lips and tongue. Bidens can be classified into two main categories