Meaning

noun an adult male who shaves

noun a young person of either sex

noun a razor powered by an electric motor

originFrom Middle English schaver; equivalent to shave + -er. In its meaning of a boy, lad, recorded since 1592, the word shaver has also been postulated to derive from Romani chavo (“young man”), which also gives us the modern slang chav, ultimately derived from Sanskrit छा (chā, “young animal”).

Etymology from Wiktionary, CC BY-SA 3.0