The Collaborative International Dictionary of English v.0.48:
Greenshank \Green"shank`\, n. (Zool.) A European sandpiper or snipe (Totanus canescens); -- called also greater plover. [1913 Webster]WordNet (r) 3.0 (2006):
greenshank n 1: large European sandpiper with greenish legs [syn: greenshank, Tringa nebularia]