The word "ostleress" is a rarely used term that refers to a female ostler, a person who takes care of horses at an inn or a stable. The pronunciation of "ostleress" is ɒstlərəs which consists of four syllables. The first syllable is pronounced as "ahst", the second as "luh", the third as "ruh", and the final syllable is pronounced as "uhs". The spelling of this word follows the basic English spelling rules, where the suffix "-ess" is added to the male term "ostler" to indicate a female person performing the same task.