Definitions

1. noun

The stalks of corn after they have been harvested, typically left in the field to dry.

“The farmer would harvest the corn, leaving the haulm to dry in the sun.”

2. noun

The stems or stalks of certain other plants, such as oats or barley, after they have been harvested.

“The farmer would leave the haulm of the oats in the field to dry before threshing.”