井戸側[idogawa] well curb
椽側[engawa] veranda
下側[shitagawa] underside
舷側[gensoku] ship's side
受信側[jushingawa] receiver

上っ側[uwakkawa] upper side
西側[nishigawa] west side
側む[sobamu] to lean to one side
側める[sobameru] to shove to one side

アルファ線[arufasen] alpha rays
エックス線[ekkususen] X-ray
サイン曲線[sainkyokusen] sinusoid
スピード線[supiidosen] speed lines
緯線[isen] parallel

一次線輪[ichijisenrin] primary coil
一線[issen] line
一直線[icchokusen] straight line
一番線[ichibansen] track no. 1
一塁線[ichiruisen] first-base line