Eared - i. e., plowed; compare Genesis 45:6 note and references. The word is derived from the Latin, and is in frequent use by English writers of the fifteenth and two following centuries.
Strike off the heifer’s neck - Rather, “break its neck” (compare Exodus 13:13). The mode of killing the victim distinguishes this lustration from the sin-offering, in which there would be of course shedding and sprinkling of the blood.