Alternate

al′tėr-nāt, or al-tėr′nāt, v.t. to cause to follow by turns or one after the other.— v.i. to happen by turns: to follow every other or second time—also Al′ternise .— adjs. Al′tern ( Milton ), alternate, acting by turns; Alter′nant ( geol. ), in alternate layers; Alter′nate , one after the other: by turns.— adv. Alter′nately .— ns. Alter′natene , Alter′nacy ( rare ); Alternā′tion , the act of alternating: interchange: reading or singing antiphonally.— adj. Alter′native , offering a choice of two things.— n. a choice between two things.— adv. Alter′natively . [L. alter , other.]