[1] : The Collaborative International Dictionary of English v.0.48

erectile \erect"ile\, a. cf. f. 'erectile.
   1. capable of being erected; susceptible of being erected of
      dilated; as, erectile tissue.
      1913 webster

   2. of or pertaining to an erection5; as, erectile
      dysfunction.
      pjc

   erectile tissue anat., a tissue, such as that contained
      in the penis, which is capable of being greatly dilated
      and made rigid by accumulation of blood in and the
      consequent distension of the numerous blood vessels which
      it contains.
      1913 webster
see also:
erectile tissue 

[2] : WordNet (r) 2.0

erectile
     adj 1: capable of being raised to an upright position; "erectile
            feathers"
     2: filled with vascular sinuses and capable of becoming
        distended and rigid as the result of being filled with
        blood; "erectile tissue"; "the penis is an erectile organ"
        syn: cavernous
see also:
cavernous 

Erectile >> E Words
Erectile, definition of term: Erectile
erectile_pag1.html

Erectile Tissue >> E Words
Erectile Tissue, definition of term: Erectile Tissue
erectile+tissue_pag1.html