hold back or dam up (flowing water or another liquid) to form a pond
the lava can't flow away and gets ponded up in the crater
Today’s NYT Connections Answers Apr 23, #317 - Daily Updates & Hints
Today’s Wordle Answer Apr 23 #1039- NYT Wordle Hints & Updates
NYT Mini Crossword Answers Today - The Mini for Apr 23 Solved
NYT Strands Today - Hints, Spangram & Answers for April 23