Definition of "cirripedia" [cir•ri•pe•di•a]

• An order of Crustacea including the barnacles. When adult, they have a calcareous shell composed of several pieces. From the opening of the shell the animal throws out a group of curved legs, looking like a delicate curl, whence the name of the group. See anatifa. (noun-plural)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "Herschel's manual of Scientific Enquiry; publishes great works on recent and fossil cirripedia, 1851-4; receives Royal Medal of Royal Society, 1853, and Wollaston Medal of Geological"
• "[8] These legs are used for filter feeding, are the main source of response, and they are used for respiration in class cirripedia."
• "[6] These legs are used for filter feeding, are the main source of response, and they are used for respiration in class cirripedia."