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
itinerary
path
route
additivity
bass-heavy
cost-savings
j-th
stand-out
steamcrawler