(initial capital letter) the holy spirit; the Comforter.
Origin: 1400–50; < Medieval Latin, Late Latin Paraclētus < Late Greek Paráklētos comforter, literally, (person) called in (to help), verbid of parakaleîn (equivalent to para-para-1 + kaleîn to call); replacing late Middle English paraclit < Medieval Latin Paraclītus, representing Medieval Greek Paráklētos
Christianity the Holy Ghost as comforter or advocate
[C15: via Old French from Church Latin Paraclētus, from Late Greek Paraklētos advocate, from Greek parakalein to summon as a helper, from para-1 + kalein to call]