1. A separating tissue; a partition; a septum

Derived forms: dissepiments

• factoring
• factorisation
• factorise
• factorization
• factorize
• factory
• factory farm
• factory price
• factory ship
• factory whistle
• factory worker
• factory-made
• factotum
• facts of life
• factual
• factuality
• factually
• factualness
• factum
• facture
• facula
• facultative
• faculty
• faculty member
• fad