pulassan pu·las·san uncommon noun 1. East Indian fruit tree bearing fruit similar to but sweeter than that of the rambutan Synonymspulasanpulasan treeNephelium mutabile 2. fruit of an East Indian tree similar to the rambutan but sweeter Synonymspulasan Related words Broader terms edible fruitfruit tree Parts pulasanNephelium Part of pulasan WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.