Any marine annelid of the genus Hyalinæcia, especially H. tubicola of Europe, which inhabits a transparent movable tube resembling a quill in color and texture. [1913 Webster]

democratic republic of sao tome and principe, sao bernardo do campo, sao francisco, sao goncalo, sao joao de meriti, sao jose dos campos, sao louis, sao paulo, sao thome e principe, sao thome e principe monetary unit, sao tiago island, sao tome, sao tome and principe, sao tome e principe