Main Entry: per·pen·dic·u·lar plate

Pronunciation: \ˌpər-pən-ˈdik-yə-lər-\

Function: noun

1 : a flattened bony lamina of the ethmoid bone that is the largest bony part assisting in forming the nasal septum
2 : a long thin vertical bony plate forming part of the palatine bone—compare horizontal plate