dismount
verb [intransitive] (formal)- dismount (from something)
to get off a horse, bicycle or motorcycle 下(马、自行车、摩托车) She brought her horse to a halt and dismounted. 她让她的马停下来,然后下马。 The cyclists were made to dismount and show their documents. 骑自行车的人被迫下马并出示证件。
Oxford Collocations DictionaryDismount is used with these nouns as the object:- horse
Word Originmid 16th cent.: from dis- + mount ‘ get up on something’, probably on the pattern of Old French desmonter, medieval Latin dismontare.