2
                           general:: 
                              noun part of an animal  ADJ.  buffalo, bull's, cow's, rhino, etc. ornaments made of rhino horn | curled, curved a large bull with curved horns | sharp warning device on a vehicle  ADJ.  car VERB + HORN  blow, honk, sound, toot Passing motorists honked their horns. HORN + VERB  beep, blare, hoot, sound Another horn blared behind me. HORN + NOUN  blast Impatient horn blasts began to sound behind him. PREP.  on a/the ~ He gave a furious blast on his horn. musical instrument  VERB + HORN  blow HORN + NOUN  sectionMUSIC
                        
                        
 
                        
                            Oxford Collocations Dictionary