pilosePronunciation: /ˈpʌɪləʊz/ (also pilous)Definition of pilose adjective Botany & Zoology covered with long soft hairs. Derivatives pilosityPronunciation: /pʌɪˈlɒsɪti/ noun Origin: mid 18th century: from Latin pilosus, from pilus 'hair'pilose in other Oxford dictionaries Definition of pilose in the US English dictionary