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

• lechwes
• lecithin
• lecithinase
• lecithins
• Leclanché cell
• lect.
• lectern
• lecterns
• lectin
• lectins
• lection
• lectionaries
• lectionary
• lections
• lectisternia
• lectisternium
• lector
• lectorate
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• lector benevole
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• lectress
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