2. [syn: cinch, breeze, picnic, snap, duck soup, child's play, pushover, walkover, piece of cake]
The Collaborative International Dictionary of English v.0.48:
Walk-over \Walk"-o`ver\, n.
In racing, the going over a course by a horse which has no
competitor for the prize.
2. Hence: (colloquially) A one-sided contest; an uncontested,
or an easy, victory.
Syn: walk; cake-walk.
[1913 Webster +PJC]
WordNet (r) 3.0 (2006):
n 1: backbends combined with handstands
2: any undertaking that is easy to do; "marketing this product
will be no picnic" [syn: cinch, breeze, picnic, snap,
duck soup, child's play, pushover, walkover, piece