次位 is read as じい (jii) and means second rank.
じい
jii
いそうじげん
topological dimension
じかい
next time (occasion)
じげん
dimension
つぐ
to follow
じなん
second son
ついで
next
じちょう
vice-chief
じき
next term
じかん
vice-minister
つぎつぎ
in succession
じじょ
second daughter
つぎ
stage