portcullis /pōrt- or pört-kulˈis/

1. A grating that can be let down to close a gateway of a castle, fortress, etc
2. A lattice (heraldry)
3. One of the pursuivants of the English College of Heralds
4. An Elizabethan silver halfpenny with a portcullis on the reverse

To obstruct, as with a portcullis

• flatten out
• flattens
• flatter
• flattered
• flatterer
• flatterers
• flatteries
• flattering
• flatteringly
• flatterous
• flatterously
• flatters
• flattery
• flattest
• flatties
• flatting
• flattings
• flattish
• flatty
• flat tyre
• flat tyres
• flatulence
• flatulences
• flatulencies
• flatulency