[ sʌɪə ]
■ noun
1》 the male parent of an animal, especially a stallion or bull kept for breeding.
2》 a father or other male forebear.
3》 archaic a respectful form of address to someone of high social status, especially a king.
■ verb be the ~ of.
Origin
ME: from OFr., from an alt. of L. senior (see senior ).