脛けい骨こつけいこつFreq.FrequencyTop 50,000Meanings1nountibia; shinboneanatomyAnatomical term for the larger of the two bones in the lower leg.脛けい骨こつは下か腿たいの内うち側がわにある太ふとい骨ほねです。The tibia is the thick bone on the inner side of the lower leg.