dugout

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

• noun A boat or canoe made of a hollowed-out log.
• noun A pit dug into the ground or on a hillside and used as a shelter.
• noun Baseball Either of two usually sunken shelters at the side of a field where the players stay while not on the field.

from The Century Dictionary.

• noun A boat consisting of a log with the interior dug out or hollowed. It is a common form of the primitive canoe.
• noun A shelter or rough kind of house excavated in the ground, or more generally in the face of a bluff or bank.

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

• noun U.S. A canoe or boat dug out from a large log.
• noun A place dug out.
• noun Western U.S. A house made partly in a hillside or slighter elevation.
• noun (Baseball) a structure on the edge of the playing field in foul territory, partly below ground and partly above ground, open toward the playing field but roofed and with the other three sides closed. It is typically long and narrow, having benches where the players may sit when not on the playing field.

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

• noun a canoe made from a hollowed-out log
• noun a pit dug into the ground as a shelter, especially from enemy fire
• noun a sunken shelter at the side of a baseball or football (soccer) field where non-playing team members and staff sit during a game.
• noun a device used to smoke marijuana
• noun Canadian Prairies A pit used to catch and store rainwater or runoff.

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

• noun a fortification of earth; mostly or entirely below ground
• noun a canoe made by hollowing out and shaping a large log
• noun either of two low shelters on either side of a baseball diamond where the players and coaches sit during the game