SEPTIMAL
Meaning of SEPTIMAL in English
/sep"teuh meuhl/ , adj.
of or based on the number seven.
[ 1850-55; septim ( us ) seventh (deriv. of septem SEVEN) + -AL 1 ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012