Corolla (noun): the inner floral bloom of a flower, especially the collective petals of a blossom; in botany, it refers to the ring of petals forming the corolla tube or limb. In common usage it’s also recognized as the model name for Toyota’s compact car, yielding a separate semantic load. It is pronounced with emphasis on the second syllable in most English contexts and carries distinct vowel qualities across dialects.
Full pronunciation guide