We've known for a while that octopuses are surprisingly intelligent. Great read: https://orionmagazine.org/article/deep-intellect/
(tl;dr: don't eat octopus!)
(tl;dr: don't eat octopus!)
This is what I get:
1: ready-to-eat food products (as cooked meats and prepared salads)
2: sing, pl delicatessens [delicatessen (store)] : a store where delicatessen are sold
It's a wonky marketing term like "lite".