(1):

(n.) A banner.

(2):

(n.) A company of troops serving under one standard.

(3):

(n.) A flag or standard.

(4):

(n.) The sign of the cross.

(5):

(n.) The upper petal of a papilionaceous flower; the standard.

(6):

(n.) The rhachis and web of a feather taken together; the vane.