the hard pointed or curved outer part of a bird’s mouth 鸟喙 
Oxford Collocations Dictionaryadjective- short
- small
- large
- …
- open
- close
- (humorous)
a person’s nose, especially when it is large and/or pointed 鹰钩鼻；尖鼻；鼻子 - (British English, old-fashioned, slang)
a person in a position of authority, especially a judge 掌权者；（尤指）法官
Word Originsenses 1 to 2 Middle English: from Old French bec, from Latin beccus, of Celtic origin.sense 3 late 18th cent.: probably from criminals' slang.