subframe /subˈfrām/

1. The frame on which the coachwork of a motor car is built (cf chassis)
2. A frame built into a wall to which a door or window frame is fixed

• throw in one's hand
• throw in one's lot
• throw in one's lot with
• throw-ins
• throw in someone's teeth
• throw in the cards
• throw in the sponge
• throw in the towel
• throw into the discard
• throw light
• throw light on
• throw mud at
• throw mut at
• thrown
• thrown in at the deep end
• thrown silk
• throw off
• throw on
• throw oneself at
• throw oneself into
• throw oneself on
• throw oneself upon
• throw one's hat into the ring
• throw one's toys out of the pram
• throw one's weight about