空弦

kōngxián
  1. (music) open string
  2. open string

Wiktionary

Entry Composition

=1 空 kōng
  1. empty
  2. air
  3. sky
  4. in vain
=1 空 kòng
  1. to empty
  2. vacant
  3. unoccupied
  4. space
  5. leisure
  6. free time
=1 空 kǒng
  1. (obsolete on its own in Standard Chinese) alternative form of 孔 (kǒng, “hole; cave; mouth”)
  2. alternative form of 孔 (kǒng, “hole; cave; mouth”)
2 弦 xián
  1. bow string
  2. string of musical instrument
  3. watchspring
  4. chord (segment of curve)
  5. hypotenuse

classifier: 根