CATHODE /ˈkæθ.oʊd/ Scrabble 13 Words With Friends 13 Definition noun a negatively charged electrode that is the source of electrons entering an electrical device. noun the positively charged terminal of a voltaic cell or storage battery that supplies current. See all 109 words you can make from CATHODE → 7-letter words Words starting with C Words ending with E ← Unscramble different letters