Pronunciation: (sā'lur),[key] —n. 1. a person whose occupation is sailing or navigation; mariner.
2. a seaman below the rank of officer.
3. a naval enlistee.
4. a person adept at sailing, esp. with reference to freedom from seasickness: He was such a bad sailor that he always traveled to Europe by plane. 5. a flat-brimmed straw hat with a low, flat crown.