Longman Dictionary of Contemporary English
indirect object
noun
EXAMPLES FROM CORPUS
▪ The nail is an indirect object because it is related to the verb through the preposition - on.
▪ We have the subject - she, the object - the hammer, and the indirect object - the nail.
Wiktionary
indirect object
n. (context grammar English) A grammatical role of a ditransitive verb that usually manifests as a recipient or goal.
WordNet
indirect object
n. the object that is the recipient or beneficiary of the action of the verb
Usage examples of "indirect object".
Tracks program activation, handle duplication, indirect object access, and process exit.