From The Collaborative International Dictionary of English v.0.48:
chive \chive\, chives \chives\, n. [F. cive, fr. L. cepa, caepa,
onion. Cf. Cives, Cibol.] (Bot.)
A perennial plant (Allium Schoenoprasum), allied to the
onion, having hollow cylindrical leaves used for seasoning.
The young leaves are used in omelets, etc. [Written also
cive.]
Syn: chive, cive, schnittlaugh, Allium schoenoprasum.
[1913 Webster]
2. the bulbous herb Allium Schoenoprasum used fresh as a
mild onion-flavored seasoning.
[WordNet 1.5]
From The Collaborative International Dictionary of English v.0.48:
Cive \Cive\ (s[imac]v), n. (Bot.)
Same as Chive.
[1913 Webster]