/an frak'chooh os"i tee/ , n.
1. the state or quality of being anfractuous.
2. a channel, crevice, or passage full of windings and turnings.
[ 1590-1600; anfractuos ( us ) winding ( anfractu ( s ) a bend (see AMBI-, FRACTO-) + -osus -OSE 1 ) + -ITY ]