bovine
adjective /ˈbəʊvaɪn/
  /ˈbəʊvaɪn/
[usually before noun]- (specialist) connected with cows- bovine diseases
 
- (disapproving) (of a person) stupid and slow- a look of bovine surprise/stupidity
 
Word Originearly 19th cent.: from late Latin bovinus, from Latin bos, bov- ‘ox’.