Straggler

1. n. Something that stands alone or by itself.
2. n. One who straggles, or departs from the direct or proper course, or from the company to which he belongs; one who falls behind the rest; one who rambles without any settled direction.
3. n. A roving vagabond.
4. n. Something that shoots, or spreads out, beyond the rest, or too far; an exuberant growth.

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.