a roof having trusses the undersides of which form an arch.
a roof ceiled in the form of a barrel vault.
noun 1. (def 4b).
[kreyd-l-sawng, -song] /ˈkreɪd lˌsɔŋ, -ˌsɒŋ/ noun 1. a lullaby. /ˈkreɪdəlˌsɒŋ/ noun 1. another word for lullaby
[kreyd-l-tuh-greyv] /ˈkreɪd l təˈgreɪv/ adjective 1. extending throughout one’s life, from birth to death: a cradle-to-grave system of health care.
noun, Architecture. 1. .