Definition of backorder in English:

backorder

Pronunciation /ˈbakˌôrdər/ /ˈbækˌɔrdər/

noun

  • A retailer's order for a product that is temporarily out of stock with the supplier.

    • ‘the phone I wanted was on backorder’

transitive verb

[with object]
  • Place an order for (a product) that is temporarily out of stock.

    ‘the item was backordered by our distributor’
    • ‘the taps can be backordered and take up to three months for delivery’