### Clue: Seductresses help removing our uniform — twice (7)
### Answer: SUCCUBI 
 ### Explanation: Definition: Seductresses
 "succour"(help/aid) **minus**(removing) "our" + U(abbrev. for "uniform") + BI-(prefix denoting "twice").
Defn: Supernatural females in folklore who seduce men, usually into sexual intercourse.