Basic Guidelines For English Spellings
READ THESE ARTICLES
noun
OrnithologyA part of the horny sheath of a bird's bill that covers the lower part of the lower mandible (either one on each side, or fused into a single piece).
Origin
Mid 19th century; earliest use found in Elliott Coues (1842–1889), naturalist and historian. From ramus + -i- + classical Latin cornū horn.
Are You Learning English? Here Are Our Top English Tips
