WordWeb Online

1. A place of especial vulnerability
   - weak part, weak spot
    
2. A sentimental affection
   "she had a soft spot for her youngest son"
    
3. Any membranous gap between the bones of the cranium in an infant or foetus
   - fontanelle, fontanel

Derived forms: soft spots

Type of: affection, affectionateness, fondness, heart, opening, orifice, philia, porta, tenderness, warmheartedness, warmness, weakness

Part of: braincase, brainpan, child's body, cranium

Encyclopedia: Soft spot