a part of the body that sends messages to the central nervous system a receptor to discover the meaning of something which contains a hidden message to decipher to allow saliva to flow out of your mouth to drool a smell, often an unpleasant one an odour a pleasant, natural smell a scent the two openings in the nose through which air moves when you breathe nostrils when an animal is in a state of sexual excitement and ready to breed in heat a quick breath in through the nose to smell something a sniff https://339efcb25eb75e967b0d-ff8eeadd950d51fd1fc939dca75b3973.ssl.cf1.rackcdn.com/assets_default.swf