n.1 a springy board giving impetus in leaping, diving, etc.
2 a source of impetus in any activity.
3 US & Austral. a platform inserted in the side of a tree, on which a lumberjack stands to chop at some height from the ground.
n.1 a springy board giving impetus in leaping, diving, etc.
2 a source of impetus in any activity.
3 US & Austral. a platform inserted in the side of a tree, on which a lumberjack stands to chop at some height from the ground.
Oxford English vocab. Оксфордский английский словарь. 2012