接穗

jiēsuì
scion (branch or bud that is grafted onto rootstock)

CEDICT

scion (in grafting)

Wiktionary

嫁接繁殖植物時，用來接在砧木上的枝或芽。

重編國語辭典

Entry Composition

1 接 jiē
  1. to receive
  2. to answer (the phone)
  3. to meet or welcome sb
  4. to connect
  5. to catch
  6. to join
  7. to extend
  8. to take one's turn on duty
  9. to take over for sb
2 穗 suì
  1. ear of grain
  2. fringe
  3. tassel