HIRTELLOUS
Hir*tel"lous, a. Etym: [Dim., fr. L. hirtus hairy.] (Bot. & Zoöl.)

Defn: Pubescent with minute and somewhat rigid hairs.

HIRUDINE
Hi*ru"dine, a. (Zoöl.)

Defn: Of or pertaining to the leeches.

HIRUDINEA
Hir`u*din"e*a, n. pl. Etym: [NL., fr. L. hirudo, hirudinis, a leech.]
(Zoöl.)

Defn: An order of Annelida, including the leeches; — called also
Hirudinei.

HIRUDO
Hi*ru"do, n. Etym: [L., a leech.] (Zoöl.)

Defn: A genus of leeches, including the common medicinal leech. See
Leech.

HIRUNDINE
Hi*run"dine, a. (Zoöl.)

Defn: Like or pertaining to the swallows.