den¹ /den/

1. The hollow lair of a wild animal
2. A pit or cave
3. A haunt of vice or misery
4. A private domestic room or office for work or pleasure (informal)
5. A Cub Scout group (US)
6. A narrow valley, a dean (Scot)

To retire to a den

den mother noun (US)

1. An adult female leader of a Cub Scout group
2. Any adult female protective figure in general

• brake van
• brake vans
• brake-wheel
• brake-wheels
• brakier
• brakiest
• braking
• braky
• braless
• Bramah-lock
• Bramah-press
• bramble
• bramble-berries
• bramble-berry
• bramble-bush
• bramble-bushes
• brambled
• bramble-finch
• bramble-finches
• brambles
• bramblier
• brambliest
• brambling
• bramblings
• brambly