名詞 call-back:

1. a return call
2. the recall of an employee after a layoff
3. a request by the manufacturer of a defective product to return the product (as for replacement or repair)
   同義詞：recall, callback

動詞 call-back:

1. cause to be returned
   同義詞：recall, call in, call back, withdraw
2. recall knowledge from memory; have a recollection
   同義詞：remember, retrieve, recall, call back, call up, recollect, think
3. return or repeat a telephone call
   同義詞：call back
4. summon to return
   同義詞：recall, call back