back order noun
plural back orders
plural back orders
Learner's definition of BACK ORDER
chiefly US, business
: a product that has been ordered but not sent to the customer because it is not yet available(因无现货)待日后交付的订货,待执行订单 [count]
[noncount]
— back-order
verb back-orders; back-ordered; back-ordering [+ object]