What Does It Mean?

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From our dictionary:
Jug•ger•naut

(jug'ur-nôt", -not"), [key]
n.,

1. (often l.c.) any large, overpowering, destructive force or object, as war, a giant battleship, or a powerful football team.
2. (often l.c.) anything requiring blind devotion or cruel sacrifice.
3. Also called Jagannath. An idol of Krishna, at Puri in Orissa, India, annually drawn on an enormous cart under whose wheels devotees are said to have thrown themselves to be crushed.