sheathbill
(redirected from Chionididae)Also found in: Encyclopedia.
sheath·bill
(shēth′bĭl′)n.
Either of two white shorebirds (Chionia alba or C. minor) of Antarctic regions that resemble pigeons and have a horny covering on the base of the bill.
sheathbill
(ˈʃiːθˌbɪl)n
(Animals) either of two pigeon-like shore birds, Chionis alba or C. minor, of antarctic and subantarctic regions, constituting the family Chionididae: order Charadriiformes. They have a white plumage and a horny sheath at the base of the bill
sheath•bill
(ˈʃiθˌbɪl)n.
either of two white, pigeonlike shorebirds, Chionis alba or C. minor, of the Antarctic, having a horny sheath covering the base of the short bill.
[1775–85]