Biauricular is a term used to describe something that pertains to both ears. However, there are several other synonyms for this word that can be used in order to describe a similar concept. These synonyms include terms such as bilateral, two-eared, dual-aural, stereoaural, and double-auricular. Each of these words conveys the same general sense of having two ears or pertaining to both ears, but they may be more suitable for different types of contexts or audiences. For instance, some may be more technical or medical in nature, while others may be more commonly used in everyday conversation. Regardless of which synonym is chosen, they all refer to the important role that both ears play in our ability to hear and perceive sound.