Easton's Bible Dictionary Castor and Pollux: The "Dioscuri", two heroes of Greek and Roman mythology. Their figures were probably painted or sculptured on the prow of the ship which Luke refers to (Acts 28:11). They were regarded as the tutelary divinities of sailors. They appeared in the heavens as the constellation Gemini. Noah Webster's Dictionary 1. (n.) A genus of rodents, including the beaver. See Beaver. 2. (n.) Castoreum. See Castoreum. 3. (n.) A hat, esp. one made of beaver fur; a beaver. 4. (n.) A heavy quality of broadcloth for overcoats. 5. (n.) See Caster, a small wheel. 6. (n.) the northernmost of the two bright stars in the constellation Gemini, the other being Pollux. 7. (n.) Alt. of Castorite Int. Standard Bible Encyclopedia CASTOR AND POLLUX kas'-ter, pol'-uks. See DIOSCURI; ASTRONOMY.

Multi-Version Concordance Castor (1 Occurrence) Acts 28:11 And after three months we departed in a ship of Alexandria, which had wintered in the isle, whose sign was Castor and Pollux. (KJV WBS NIV)