from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To deviate; to stray; to wander.
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. To deviate; to stray; to wander.
from The Century Dictionary and Cyclopedia
- To deviate in course or direction.
Latin trans across + linea a line: compare Italian tralineare, tralignare. (Wiktionary)