erectile
adjective /ɪˈrektaɪl/
  /ɪˈrektaɪl/,  /ɪˈrektl/
(biology)- (of a part of the body) able to become stiff and stand up- erectile tissue
 Word Originmid 19th cent.: from French érectile, from Latin erigere ‘set up’, from e- (variant of ex-) ‘out’ + regere ‘to direct’.