from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A stylized representation of a fish, used as a Christian symbol
from the GNU version of the Collaborative International Dictionary of English
- n. Same as ichthus.
from The Century Dictionary and Cyclopedia
- n. A word found on many seals, rings, urns, tombstones, etc., belonging to the early period of Christianity, and supposed to have a mystical reference to the name and office of Jesus Christ. See the etymology.
From Ancient Greek ΙΧΘΥΣ (ikhthus, "fish"), which served as an acronym for Ἰησοῦς (Iēsous, "Jesus") Χριστός (Khristos, "Christ") Θεοῦ (Theou, "of God") Υἱός (Huios, "son") Σωτήρ (Sōtēr, "saviour"). (Wiktionary)