To lie or sit enjoying the warmth especially of the sun. (Cambridge Dictionary)
To lie or relax in a pleasant warmth or atmosphere. (Merriam – Webster)
To take pleasure or derive enjoyment. (Merriam – Webster)
If you bask in the sunshine, you lie somewhere sunny and enjoy the heat. (Collins Dictionary)
Lie exposed to warmth and light, typically from the sun, for relaxation and pleasure. (Oxford Dictionaries)
Study finds sea turtles may soon no longer need to bask on the beach.
Learn American English Online
Bask. Word of the day.