Webster’s Revised Unabridged Dictionary · 1913
Propodium
Pro·po′di·um, n.; pl. Propodia (#). [NL. See Propodiale.] (Zoöl.) (a) The anterior portion of the foot of a mollusk. (b) The segment which forms the posterior part of the thorax of a hymenopterous insect. [Written also propodeum.]