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v. con·sumed, con·sum·ing, con·sumes
1. To take in as food; eat or drink up. See Synonyms at eat.
a. To expend; use up: engines that consume less fuel; a project that consumed most of my time and energy.
b. To purchase (goods or services) for direct use or ownership.
3. To waste; squander.
4. To destroy totally; ravage: flames that consumed the house; a body consumed by cancer.
5. To absorb; engross: consumed with jealousy. See Synonyms at engross.
To purchase economic goods and services: a society that consumes as fast as it produces.

[Middle English consumen, from Latin cōnsūmere : com-, intensive pref.; see com- + sūmere, to take; see em- in Indo-European roots.]
References in classic literature ?
She had just copied them with great care, and had destroyed the old manuscript, so that Amy's bonfire had consumed the loving work of several years.
The young man looked at the hideous, leering face staring about the hotel dining room and was consumed with curiosity.
Either they had fled at the approaching doom of the city and were buried elsewhere, or some strange fire or other force of nature had consumed and obliterated them.
The whole prairie was like the bush that burned with fire and was not consumed.
A few minutes were consumed in disposing of those present in a manner suitable to their rank and influence in the tribe.
But, either there was a smouldering fire within him that consumed his vital energy, or the monotony that would have dragged itself with benumbing effect over a mind differently situated was no monotony to Clifford.
Worst of all was the frightful bill that was still to come from Graiczunas for the beer and liquor that might be consumed.
I saw the fences half consumed, their ends lost in the middle of the prairie, and some worldly miser with a surveyor looking after his bounds, while heaven had taken place around him, and he did not see the angels going to and fro, but was looking for an old post-hole in the midst of paradise.
Fire itself leaves the confession, in ashes, of the substance consumed in it.
In such risings of fire and risings of sea--the firm earth shaken by the rushes of an angry ocean which had now no ebb, but was always on the flow, higher and higher, to the terror and wonder of the beholders on the shore--three years of tempest were consumed.
A great deal of very hot port wine was consumed at his call; and, considering the figure, I should think the Inner Temple must have made a profit by it.
I consumed the whole time in thinking how strange it was that I should be encompassed by all this taint of prison and crime; that, in my childhood out on our lonely marshes on a winter evening I should have first encountered it; that, it should have reappeared on two occasions, starting out like a stain that was faded but not gone; that, it should in this new way pervade my fortune and advancement.