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

• descale
• descaled
• descales
• descaling
• descant
• descanted
• descanting
• descants
• descend
• descendable
• descendant
• descendants
• descended
• descendent
• descender
• descenders
• descendeur
• descendible
• descending
• descendings
• descends
• descension
• descensional
• descensions
• descent