rappel /ra- or rə-pelˈ/

1. Abseiling
2. Call to arms by the beating of a drum (military)

rappellˈing noun

• head rent
• headrest
• head restraint
• head restraints
• headrests
• head-rhyme
• headrig
• headrigs
• headring
• headrings
• headroom
• headrooms
• headrope
• headropes
• heads
• headsail
• headsails
• heads and thraws
• headscarf
• headscarves
• head sea
• head seas
• headset
• headsets
• headshake