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Entry 1 sense Webster, 1913

Spoutshell

/(-shĕl`)/ · Spout·shell · IPA
01 n. Any marine gastropod shell of the genus Apporhais having an elongated siphon. See Illust. under Rostrifera.
  1. 1.
    Any marine gastropod shell of the genus Apporhais having an elongated siphon. See Illust. under Rostrifera.(Zool.) See: Rostrifera