HADJ Hadj, n. Etym: [Ar.hajj, fr. hajja to set out, walk, go on a pilgrimage.]

Defn: The pilgrimage to Mecca, performed by Mohammedans.

HADJI
Hadj"i, n. Etym: [Ar. haji. See Hadj.]

1. A Mohammedan pilgrim to Mecca; — used among Orientals as a respectful salutation or a title of honor. G. W. Curtis.

2. A Greek or Armenian who has visited the holy sepulcher at Jerusalem. Heyse.

HADROSAURUS Had`ro*sau"rus, n. Etym: [NL., fr. Gr. "adro`s thick + say^ros lizard.] (Paleon.)

Defn: An American herbivorous dinosaur of great size, allied to the iguanodon. It is found in the Cretaceous formation.

HAECCEITY
Hæc*ce`i*ty, Etym: [L. hæcce this.] (Logic)

Defn: Literally, this-ness. A scholastic term to express individuality or singleness; as, this book.

HAEMA-; HAEMATO-; HAEMO-
Haem"a- (, Haem"a*to- (, Hæm"o- (. Etym: [Gr. ai^"ma, blood.]