Surrogate

1. v. t. To put in the place of another; to substitute.
2. n. A deputy; a delegate; a substitute.
3. n. The deputy of an ecclesiastical judge, most commonly of a bishop or his chancellor, especially a deputy who grants marriage licenses.
4. n. In some States of the United States, an officer who presides over the probate of wills and testaments and yield the settlement of estates.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.