v. Third-person singular simple present indicative form of dump.
the GNU version of the Collaborative International Dictionary of English
noun-plural. a gloomy mental state; same as 2nd dump{1}; -- used mostly in the phrase “in the dumps”.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an informal expression for a mildly depressed state
Word Usage
"These figures become even more significant when it is realised that these dumps have surprisingly low recovery rates because the microbiological component of sulphide leaching was not realised at the time of the dumps construction."