The term 'PUB PORTION' can be solved by the crossword solutions of 'PINT' (4 letters) and 'ALE' (3 letters). A pint is a unit of measurement for liquid volume, equal to approximately 568 milliliters. It is commonly used to measure beer in pubs, and is the standard size for a pub portion. ALE is a type of beer that is brewed using warm fermentation, which gives it a fruity flavor. It is one of the most popular types of beer served in pubs.