Linus \l(i)-nus\ as a boy's name is pronounced LYE-nus. It is of Greek origin, and the meaning of Linus is "flax". From Linos. Biblical: a Christian companion to Paul in Rome. Greek mythology: Linus is the musician son of Apollo. In modern times, Linus has been made familiar by the child character in Charles Schulz's cartoon "Peanuts". Nobel Prize winner Linus Pauling; actor Linus Roache.
For more information, see also the related name Linn.