The upper robe worn by a bishop, to which lawn sleeves are usually attached.

a garment that can be worn as part of academic dress, or by Anglican bishops in choir dress

A long garment with arm holes, but without sleeves. It is worn by a bishop over the rochet and may be either black or red.

A sleeveless gown worn over the rochet by a bishop as part of his normal choir dress. The chimere may be either of black satin (ordinary) or of red silk (convocation). It apparently derives from the academic costume of a doctor of theology, and so is unrelated to the similar continental gown called a "manteletta."

A chimere is a garment that is formally worn as part of academic regalia, or by Anglican bishops in choir dress.