"Cup drinking" refers to the act of consuming drinks, specifically from a cup.
Sentences with «cup drinking»
If your toddler is a picky eater and not yet skilled in cup drinking, allow daytime bottles of milk or formula... to ensure enough nutrition. (attachmentparenting.org)
Your infant may be ready to practice cup drinking. (foodinsight.org)
You can track how many cups your drinking through any of the apps I will mention in this post. (alittlecattleya.com)