What does anastomose mean?
The definition of anastomose
A*nas”to*mose, v. i.
[imp. p. p. Anastomozed; p. pr. Anastomosing.]
Etym: [Cf. F. anastomoser, fr. anastomose. See Anastomosis.] (Anat. & Bot.)

To inosculate; to intercommunicate by anastomosis, as the arteries and veins. The ribbing of the leaf, and the anastomosing network of its vessels. I. Taylor.