rood                    a crucifix; a unit of length, from 5.5 to 8 rods; 
                        a unit of area, 40 square rods; a unit of 1 square
                        rod or so.
ternion                 a group of three, esp. of three sheets folded
                        in two for binding.
tierce                  a third of a pipe, or 42 wine gallons; a
                        vessel holding this quantity; (eccles.) the
                        third of the seven canonical hours; (fencing)
                        the third of eight defensive positions;
                        (piquet) a run of three cards of the same suit.
tod                     an English unit of weight, typically 28
                        pounds, used primarily for wool; a load; a
                        bushy mass, especially of ivy.
pica                    a sixth of an inch; a craving for unnatural
                        food, such as dirt.
heer                    an old unit of measure for yarn, about 600 yards.
ligne                   (Swiss watchmaking) a unit, 0.0888 inch, used
                        chiefly to measure the thickness of movements,
                        and divisible into 12 douziemes; a unit, 0.025
                        inch, for measuring the thickness of buttons. 
dol                     a standardized unit of pain.
koku                    a Japanese dry measure, 5.12 bushels.
grex                    a measurement of fiber weight: grams per 10 km.
oxgang                  an old English land measure, an eighth of a
                        carucate.  (also, "bovate")
carucate                a measure ranging from 60 to 160 acres.
parasang                a Persian measure of distance, about 3.5 miles.
momme                   a Japanese unit of weight, 3.75 grams.
stere                   a cubic meter.