古柯 gǔ kē 🔊 coca (source of cocaine) + Keep this word Meanings gǔ kē (botany) coca (source of cocaine) Its characters 古gǔancientHSK 5柯kēbranch; stem; stalk Words with 古柯 古柯树 gǔ kē shù coca plant (source of cocaine) 古柯碱 gǔ kē jiǎn cocaine