The University's website on plagiarism makes the following statement: "Plagiarism is defined as submitting as one's own work, irrespective of intent to deceive, that which derives in part or in its entirety from the work of others without due acknowledgement. It is both poor scholarship and a breach of academic integrity."
Please see
Good academic practice and plagiarism
and
the University-wide statement on plagiarism
There is also a departmental Policy on Plagiarism for Undergraduates