chiefly

striped hyena of southeast Africa that feeds chiefly on insects

a colorless volatile water-soluble liquid aldehyde used chiefly in the manufacture of acetic acid and perfumes and drugs

a colorless flammable gas used chiefly in welding and in organic synthesis

the segment of the public that is easily influenced by mass media (chiefly British)

An apparatus consisting chiefly of a closed vessel (as a globe or cylinder) with one or more projecting bent tubes, through which steam is made to pass from the vessel, causing it to revolve.