Main Entry: hos·tler

Pronunciation: \ˈhäs-lər, ˈäs-\

Variant(s): also os·tler \ˈäs-\

Function: noun

Etymology: Middle English, innkeeper, hostler, from Anglo-French hosteler, from hostel

Date: 14th century

1 : one who takes care of horses or mules
2 : one who moves locomotives in and out of a roundhouse; also : one who services locomotives