To lay out; spend: expending tax revenues on government operations. See Synonyms at spend.
To use up; consume: "Every effort seemed to expend her spirit's force” ( George Meredith).
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.