THE FULL ARTICLE — from the International Standard Bible Encyclopedia

The International Standard Bible Encyclopedia (1915), general editor James Orr — public domain, printed whole.

(pneumatikon poma): Having a spiritual significance, as referring to the water that flowed miraculously from the smitten rock (1Co 10:4; Nu 20:11). Symbolic also of nourishment for the thirsty soul in the sacramental cup and the outpoured blood (life) of Christ.

See ROCK, 2, (1); SPIRITUAL ROCK.