a particular area of competence or expertise where one can expect to excel, often due to extensive experience; typically used as a self-situated metaphorical place, as in “Let me handle the negotiations with the Brazilian team, I lived in São Paulo for three years so it’s in my wheelhouse”; the word refers to the control room of a ship, presumably alluding to the authority and mastery contained within, although the average business user has no inkling of the term’s nautical connotations; in common usage prepositions may be omitted entirely, leading to expressions such as “That data analysis was rough, it’s definitely not my wheelhouse”