sheathbill

(redirected from Chionididae)
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Related to Chionididae: sheathbill, Chionidae, Skuas

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]