The phrase "last half" refers to the final part or remaining portion of something, usually a specific time period or a physical object. Full definition
Men's has been sort of more consistent and home had a better year last year than is this year. (seekingalpha.com)
I love the pumpkin + chocolate combo... I made pumpkin oats most of last week for breakfast and of course chocolate found its way in there. (feastingonfruit.com)
That's about the same additional capacity as was called for in last year's resource plan, he said. (cnbc.com)