Grammar › N3 · 01 Connecting sentences
つまり: in other words; that is
N3 · 01 Connecting sentences
Restates what was said in a simpler or more exact way.
Sentence-opening connector used to rephrase, summarize, or draw a conclusion. The second part explains the first. Compare 要するに, which means "to sum up" and is a bit more blunt.
Examples
彼は父の弟、つまり私のおじです。
He is my father's younger brother, that is, my uncle.
来週は休みが取れない。つまり、旅行には行けないということだ。
I cannot take time off next week. In other words, it means I cannot go on the trip.