Lewis & Short

aestĭfer, fēra, fĕrum, adj. [aestus-fero]

  1. I. Act., bringing, causing, or producing heat: ignis, Lucr. 1, 663; 5, 612: canis, Verg. G. 2, 353; Cic. Arat. 111; Sil. 1, 194; 14, 585 al.
  2. II. Pass., heated, sultry, hot: Libyum arva, Luc. 1, 206: campi Garamantum, Sil. 17, 448.