Defn: To wink; to nictitate.

NICTATION
Nic*ta"tion, n. Etym: [L. nictatio nictation.]

Defn: the act of winking; nictitation.

NICTITATE
Nic"ti*tate, v. i. Etym: [See Nictate.]

Defn: To wink; to nictate. Nictitating membrance (Anat.), a thin membrance, found in many animals at the inner angle, or beneath the lower lid, of the eye, and capable of being drawn across the eyeball; the third eyelid; the haw.

NICTITATION
Nic`ti*ta"tion, n.

Defn: The act of winking.

NIDAMENTAL Nid`a*men"tal, a. Etym: [L. nidamentum materials for a nest, fr. nidus nest. See Nest.] (Zoöl.)

Defn: of, pertaining to, or baring, eggs or egg capsules; as, the nidament capsules of certain gastropods; nidamental glands. See Illust. of Dibranchiata.

NIDARY
Ni"da*ry, n. Etym: [L. nidus a nest.]