りき 利器 LinksSentence search for 利器Sentence search for りきKanji details for 利 and 器Edit in JMdict Noun1. sharp-edged tool; sharp weaponAntonym: 鈍器Noun2. convenience; facilitySee also 文明の利器Noun3. superior talent; outstanding abilityObsolete term Discussions Log in to talk about this word.