/kraws"tree', kros"-/ , n.
1. Naut. either of a pair of timbers or metal bars placed athwart the trestletrees at a masthead to spread the shrouds leading to the mast above, or on the head of a lower mast to support the platform or top.
2. Carpentry. a heavy crossbeam.
[ 1620-30; CROSS- + TREE ]