Template:4469

4469 ῥακά rhaka [rhak-ah’] of Aramaic origin, cf. 07386 רֵיק‎ empty; n; TDNT-6:973,983; [{ See TDNT 688 }] AV-Raca 1; 1 (See vanity)

1) empty, i.e. a senseless, empty headed man

2) a term of reproach used among the Jews in the time of Christ