In this paper, an ontology (Fruit Ontology) is proposed of agricultural sub-domain which is designed with OWL Description Logic (DL) language. Agricultural ontology is used by many organizations for better agricultural information service (AIS) or for adapting reliable information and communication system in agriculture. This paper also describes the each steps of designing the “Fruit” ontology briefly. For designing ontology AGROVOC is used as the base vocabulary. AGROVOC is developed by the Food and Agricultural Organization (FAO) of United Nations which is used all over the world for indexing, retrieving and organizing data in agriculture information system.