(1):

(n.) The quality or state of being parallel.

(2):

(n.) Resemblance; correspondence; similarity.

(3):

(n.) Similarity of construction or meaning of clauses placed side by side, especially clauses expressing the same sentiment with slight modifications, as is common in Hebrew poetry; e. g.: - //At her feet he bowed, he fell:/Where he bowed, there he fell down dead. Judg. v. 27.