Lewis & Short

2. ărānĕus, a, um, adj. [1. araneus].

  1. I.
    1. A. Pertaining to the spider, spider’s-: genus, Plin. 18, 17, 44, § 156: texta, id. 29, 4, 27, § 86.
      Hence,
    2. B. Subst.: ărā-nĕum, i, n., a spider’s web, = ἀράχνιον: tollere haec aranea quantum est laboris? Phaedr. 2, 8, 23.
      1. 2. A disease of the vine and of the olive-tree, Plin. 17, 24, 36, § 7.
  2. II. Araneus mus, a kind of small mouse, acc. to some the shrew-mouse, Col. 6, 17, 1; Plin. 8, 58, 83, § 227.