Dict: strongs - kala
Strongs:
G2562 @ καλάμη kalamē kal-am'-ay Feminine of G2563; a stalk of grain that is (collectively) stubble: - stubble.
G2563 @ κάλαμος kalamos kal'-am-os Of uncertain affinity; a reed (the plant or its stem or that of a similar plant); by implication a pen: - pen reed.