(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. 189) ōṭhā to rise; to get up; to climb or ascend (গাছে ওঠা, পাহাড়ে ওঠা); to get in (গাড়িতে ওঠা). See also the older form উঠা । 9)

(p. 189) ōlāna udder (of cattle etc.) 50)

(p. 189) ōlandāja Dutch. a. a Hollander, a Dutch; the Dutch language. 45)

(p. 189) ōlō used by (usu. village) women in addressing one another, hullo. 51)

(p. 188) ōkālati the profession of a pleader, legal profession or practice, pleadership; pleading, advocacy, defence.  a. pertaining to pleaders or pleadership or pleading. ওকালতি করা v. to practise as a pleader; to plead for. 12)

(p. 188) ōkāra the post-consonantal symbol 'ো' affixed to a consonant whilst adding the ও--sound to it. ওকারাদি a. (of words) beginning with ও or ও--sound. ওকারান্ত a. (of words) ending in ও or ও--sound. 10)

(p. 189) ōẏāriśa an heir or heiress. ওয়ারিশান n. pl. heirs or heiresses. 30)

(p. 189) ōstāgara a very efficient or chief artisan or tailor, a master artisan or tailor. 58)

(p. 188) ōm̐rā (hon.) they. 8)

(p. 189) ōdana food; meal; rice; boiled rice. 20)

(p. 189) ōḍ়iẏā a native of Orissa; the language of Orissa. a. of Orissa or its people. 16)

(p. 189) ōṣadhi, ōṣadhī a plant that dies after bearing fruit but for once. 52)

(p. 189) ōẏāpasa act of giving back, return. ওয়াপস করা v. to give back, to return. 29)

(p. 189) ōṣadhiśālā herbarium. 54)