Paranymph

1. n. An ally; a supporter or abettor.
2. n. A friend of the bridegroom who went with him in his chariot to fetch home the bride.
3. n. The bridesmaid who conducted the bride to the bridegroom.

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.