1. Any membranous gap between the bones of the cranium in an infant or foetus
   "The anterior soft spot usually closes by 18 months of age";
   - fontanelle, fontanel
    
2. A place of especial vulnerability
   "The fortress's soft spot was its poorly defended eastern wall";
   - weak part, weak spot
    
3. A sentimental affection
   "she had a soft spot for her youngest son"

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