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

• needle-furze
• needle-furzes
• needle-gun
• needle-guns
• needle in a haystack
• needle paper
• needlepoint
• needle-pointed
• needlepoints
• needler
• needle roller-bearing
• needlers
• needles
• needless
• needlessly
• needlessness
• needlessnesses
• needlestick
• needle time
• needle-tin
• needle valve
• needle valves
• needlewoman
• needlewomen
• needlework