(p. 189) ōsāra breadth, width; also dial. variant of ওয়াড় । 57)

(p. 189) ōstāda a trainer, a music-master or music-teacher; a master artist or artisan. a. skilled, expert. ওস্তাদি n. efficiency, skill, mastery; cleverness; an attempt to parade one's skill or mastery, bravado; uncalled-for act of coming forward to help; officiousness. a. pertaining to a trainer or music-master or master artist or master artisan. ওস্তাদি করা v. to try to parade one's skill or mastery; to come forward uncalled-for to help; to be officious. 59)

(p. 188) ō2 that or yonder person or creature or thing, a person or creature or thing in question, he, she, it.  a. that immediately preceding, last (ও মাসে). adv. too, also, moreover (সে খাবেও); even (নামও শুনিনি).  con. and.  int. expressing; a call, recollection, amazement, pity etc.; holla, ho; ah, oh. 3)

(p. 189) ōẏādā a point of time by or within which something is promised to be paid or given or done; promise. ওয়াদা দেওয়া v. to set a time-limit. 28)

(p. 189) ōta lying in wait to attack by surprise, an ambush, an ambuscade. ওত পাতা, ওত পেতে থাকা v. to lie in wait, to ambush, to ambuscade. 18)

(p. 188) ō kē who is he or she. 15)

(p. 189) -ōẏālā2 denoting: a trader, a seller, a practitioner, an owner, one in possession of or endowed with etc., -er, -or,ist. fem. ওয়ালি, উলি । 32)

(p. 188) ō the mystic sound denoting the Hindu trinity; the origin or root of all sounds; the symbol representing the Supreme Being. ওঁকার, ওঙ্কার, ওংকার n. the sound ওঁ (cp. chest-note). 5)

(p. 188) ōjasbala vigorous, full of strength. 24)

(p. 189) ōrē coll. & poet. form of ওকে । int. used in addressing or apostrophizing. 40)

(p. 189) ōṭakiśati, ōṭakisti (in chess) a position in which if a particular piece or chessman is moved, the player in question gets a check, and if not moved, that piece or chessman is taken by the adversary. 6)

(p. 189) ōjōguṇa (rhet.) ornateness and vigour of style. 2)

(p. 189) ōlakapi a kohlrabi; (loos.) a turnip. 42)

(p. 189) ōlāicaṇḍī the goddess of cholera. 47)

(p. 189) ōṭā (coll. & dero.) that, it, he, she. 7)