What is the meaning of Trocar?

A pointed hollow cylindrical device used to make small incisions and surgically insert cannulas, etc., into body cavities, or to aspirate fluids.

to barter

to exchange, interchange

to change

to replace, to substitute (to remove something and put a new one in its place) [with direct object ‘someone/something’ and por ‘with someone/something else’]

to change (to dispose of something one owns or is using and get a new one) [with de ‘something no longer wanted or needed’]

to trade; to exchange [with direct object ‘something’ and com ‘with someone’ and por ‘for something else’]

to swap (to switch the position of two things)

to exchange (to give and receive simultaneously) [with direct object ‘something’ and com ‘with someone’]

to change oneself (to replace the clothing one is wearing)

trocar

to barter

to turn into; become [with en ‘something’]

Source: wiktionary.org