Entry 1 sense Webster, 1913 Brachiopod /brāk'-ē-əp-ädˌ/ · Brach·i·o·pod · IPA /ˈbɹækɪəˌpɒd/ 01 n. One of the Brachiopoda, or its shell. 1. One of the Brachiopoda, or its shell.(Zool.)