Definition of mahem in US English:

mahem

(also ahem)

noun

  • The South African crowned crane, Balearica regulorum, which is predominantly slate grey with a bushy crest and has a double booming call.

Origin

Early 19th century. From Xhosa amahemu crowned cranes from ama-, plural prefix + ihemu crowned crane, probably imitative in origin; perhaps partly via Afrikaans mahem.