1. (Verb-Trans.) to ensure a seat for a service such as train, bus or for a theater by paying advanced money

English: book, reserve,
Assamese: আৰক্ষণ কৰ্, সংৰক্ষণ কৰ্,
Dimasa: buk klai, mtao, rijarb klai

Different POS:

a. Abstract Noun-Neuter: reservation, আৰক্ষণ, थिनानै दोननाय...
b. Material Noun-Neuter: book, কিতাপ, গ্ৰন্থ, পুঠি-পাজি, পুথি...