(idiomatic, intransitive) To start laughing suddenly and intensely.

Shaped like a purse or bag.

To erupt

(intransitive, literally) To appear suddenly from within something else. / (intransitive) To display sudden powerful emotion. / (intransitive) To speak emotionally or suddenly

(medicine) The study of the bursae.

(anatomy) Relating to, or resembling, a bursa

(idiomatic) to enter suddenly and unexpectedly

plural of bursarship

The rank or office of a bursar.

(botany) bursiform