Sense

1. any light porous substance, the foam that gathers at the edge, foam
2. the first down on the chin, the bloom

Examples

• νῦν αἰτεῖσ, ὅτε λεπτὸσ ὑπὸ κροτάφοισιν ἰούλοσ ἑρ́πει καὶ μηροῖσ ὀξὺσ ἔπεστι χνόοσ· (Unknown, Greek Anthology, Volume IV, book 12, chapter 361)

Similar forms

• χνόον (3)
• χνόος (1)

Source: Henry George Liddell. Robert Scott. "A Greek-English Lexicon". revised and augmented throughout by. Sir Henry Stuart Jones.