teal

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of several small dabbling ducks, chiefly of the genus Anas, often having brightly marked plumage.
• noun A moderate or dark bluish green to greenish blue.

from The Century Dictionary.

• noun A small fresh-water duck, of the subfamily Anatinæ and genus Querquedula (or Nettion).
• noun The blue-winged teal.
• noun The act of cajoling or wheedling.
• noun A Welsh dry measure, equal to five Winchester bushels (nearly). A long teal in Pembrokeshire is about eight bushels.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Zoöl.) Any one of several species of small fresh-water ducks of the genus Anas and the subgenera Querquedula and Nettion. The male is handsomely colored, and has a bright green or blue speculum on the wings.
• noun a goslet. See Goslet.
• noun the common European teal.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Any of various small freshwater ducks of the genus Anas that are brightly coloured and have short necks.
• noun colour A dark, somewhat bluish-green colour; a dark cyan.
• adjective colour having a bluish-green colour

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a blue-green color or pigment
• noun any of various small short-necked dabbling river ducks of Europe and America
• adjective of a bluish shade of green