plural of falsetto

(computing, slang, intransitive) To hang; to stop responding to user input; (used of Mac computers, where this is indicated by a spinning coloured cursor like a beach ball).

(intransitive, surfing) To lie flat on one's board (face down) in order to be propelled shorewards by a broken wave.

(cytology) A cell that is intermediate between a fibroblast and smooth muscle