New Zealand produced some late dramatics at Derby, but 244 runs weren't enough.
The term has been replaced with the gender neutral 'batter' effective immediately.
The Blackcaps captain's Sunrisers Hyderabad teammate tested positive for coronavirus on the morning of the match.
The MCC says the change "helps reinforce cricket's status as an inclusive game for all".
Pakistan Information Minister Fawad Chaudhry read aloud the email which led to the side aborting their tour.
Most of the squad have returned to Auckland, with the rest remaining in the UAE.
Ramiz Raja fears a domino effect after Pakistan's home fixtures were cancelled for security concerns.
The Kiwis have kept the series alive with a big win in the third match in Leicester.
NZ's first tour to Pakistan in 18 years was cancelled, after a "credible threat" against the team.