(organic chemistry) Any of a class of hydrocarbons consisting of spiro-linked cyclopropane units only, but with a common [n]membered ring in the middle; they are named n-rotanes depending on the size of the inner ring

plural of rotane

(Singapore) A long rattan used to cane people as punishment for criminal acts.

(uncommon) Amur sleeper (Perccottus glenii)

plural of rotan

Beta Delphini A, one of the two components of a binary star in the constellation of Delphinus.