Liddell-Scott-Jones

φαλακρός (phalakros) bald ^G:A

φαλακρός-ός, ά, όν,

(φαλός, ἄκρος) baldheaded, [Refs 6th c.BC+], etc.; properly bald on the crown, [Refs 5th c.BC+], etc.: proverbial of labour in vain, φαλακρῷ κτένας δανείζειν [Refs 1st c.AD+]

__2 like a bald head, blunt, knobbed, φ. σιδήρια of cauterizing irons, [Refs 5th c.BC+]; φαλακρότερος (variant{-ώτερος}) εὐδίας [Refs 5th c.BC+]
__3 bald spot, ἔχειν φαλακρόν τινα [Refs]
__II ὁ φ. name of a fallacy, [Refs 5th c.BC+]