What is (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.] called?

propodium — (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.]. (Webster's 1913.)

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