Wordnet 3.0
NOUN (1)
1. 
 a product produced or accomplished through the effort or activity or agency of a person or thing; 
- Example: "it is not regarded as one of his more memorable works"- Example: "the symphony was hailed as an ingenious work"- Example: "he was indebted to the pioneering work of John Dewey"- Example: "the work of an active imagination"- Example: "erosion is the work of wind or water over time"[syn: work, piece of work]
WordNet (r) 3.0 (2006):
piece of work
    n 1: a product produced or accomplished through the effort or
         activity or agency of a person or thing; "it is not
         regarded as one of his more memorable works"; "the symphony
         was hailed as an ingenious work"; "he was indebted to the
         pioneering work of John Dewey"; "the work of an active
         imagination"; "erosion is the work of wind or water over
         time" [syn: work, piece of work]