What is a embarasure?

An "embarrasure" is not a commonly recognized term in English, and it may be a typographical error or a mix-up of Words. If you meant "embarrassment," it refers to a feeling of self-consciousness, shame, or awkwardness in a social situation. Alternatively, if you were referring to "embouchure," it relates to the way a musician applies their mouth to the mouthpiece of a wind instrument. Please clarify if you meant something else!