(obsolete) Ebony.

Of or relating to Canadian neuropsychologist Donald Hebb or his theories and techniques.

Of, or relating to the Hebrew people, language or culture.

(obsolete) A group of seven. / (historical or Christianity) A period of seven days; a week.

(obsolete) Lasting seven days. / Weekly, occurring once a week.

(biblical) The nineteenth book of the New Testament of the Bible, the epistle of St Paul to the Hebrews.

plural of Hebrew

(obsolete) A type of mental disorder occurring during puberty characterized by silly behavior and inappropriate laughter.

plural of hebdomad

The Hebrew language as used from the second to the tenth century in the Common Era, descended from Biblical Hebrew.