play·pen 
(plāpĕn′)
(plāpĕn′)n.
A portable enclosure in which a baby or young child can be safely left to play. Also called play yard.
- dimenhydrinate
- dime novel
- dime novelist
- dimension
- dimensional
- dimensionality
- dimensionally
- dimensionless
- dimensionless number
- dimer
- dimercaprol
- dimeric
- dimerous
- dimery
- dime store
- dimeter
- dimethoate
- dimethyl
- dimethylnitrosamine
- dimethylsulfoxide
- dimetrodon
- dimin.
- diminish
- diminishable
- diminished capacity