(p. 189) ōlana2 a plumb-line, a plummet (also ওলনদড়ি). a. vertical. 44)

(p. 852) māpa2 measure; dimension; measurement. মাপ নেওয়া v. to take measurements of, to measure. মাপে হওয়া v. to be of a particular measure or size, to measure; to fit in measurements. ̃কাঠি, ̃কাটি n. a measuring-rod; a measure; a standard. ̃জোখ, ̃জোক n. measurements; measurement; surveying. মাপজোখ করা v. to measure minutely; to survey. ̃দড়ি n. measuring rope or tape. ̃সই a. & adv. conforming to particular measurements. ˜ক a. measuring or weighing. n. a measure; a weigher. ̃ন n. measuring or weighing or sounding. ̃দণ্ড n. a measuring-rod. ̃যন্ত্র n. a weighing-machine. ̃রজ্জু n. a sounding-line, a plumb-line. মাপনী n. (geom.) a ruler, a scale. 135)

(p. 922) lamba hanging, pendent; vertically hanging; upright; vertical, plumb; perpendicular; (geom.) orthogonal; straight; (geog.) orthographic(al). n. a perpendicular. ̃অভিক্ষেপ n. (geog.) orthographic projection, orthography; (geom.) orthogonal projection. ̃কর্ণ a. long-eared. n. a traditional name for the ass, the goat, the rabbit etc. ̃চ্ছেদ n. (geom.) a normal section. ̃ন n. the state of being hung; (phys. & astr.) parallax. লম্বন-পদ্ধতি n. (phys.) parallax method. ˜বিন্দু n. (geom.) an orthocentre. ̃বৃত্ত n. (astr.) a vertical circle. ̃মান a. hanging, suspended, pendent; dependent. ̃সূত্র n. (mech.) a plumb-line. 58)