Wordnet 3.0
NOUN (1)
1. 
 the most direct route; 
- Example: "he made a beeline for the bathroom"
WordNet (r) 3.0 (2006):
beeline
    n 1: the most direct route; "he made a beeline for the bathroom"
Moby Thesaurus II by Grady Ward, 1.0:
30 Moby Thesaurus words for "beeline":
   air line, axis, chord, cut, cutoff, diagonal, diameter,
   direct line, directrix, edge, great-circle course, normal,
   perpendicular, radius, radius vector, right line, secant, segment,
   shortcut, shortest way, side, straight, straight course,
   straight line, straight stretch, straightaway, streamline, tangent,
   transversal, vector