OXFORD DICTIONARY
Virgate, adj. Bot. & Zool. slim, straight, and erect.
Virgate, n. Brit. hist. a varying measure of land, esp. 30 acres.
med.L virgata (rendering OE gierd- land yard-land) f. L virga rod
ROGET THESAURUS
Virgate
Straightness
N
straightness, rectilinearity, directness, inflexibility, straight line, right line, direct line, short cut, straight, rectilinear, rectilineal, direct, even, right, true, in a line, unbent, virgate, undeviating, unturned, undistorted, unswerving, straight as an arrow, inflexible, laser-straight, ramrod-straight.