she vowed a vow] Either upon the condition of her husbands approbation, or having already obtained it, vers. 21. and Numbers 30:8.
a man-childe] Heb. seed of men.
give him unto the Lord] That is, to consecrate and appropriate him to the Lords service, as a Nazarite, Numbers 6:5.
all the dayes] An ordinary Levite was to do service onely twenty five yeers of his life, that is, from twenty five to fifty, Numbers 4:3. and Numbers 8:25. But Hannah by her vow devoteth her son for his whole life, v. 24.
there shall no rasour come upon his head] Numbers 6:5. Judges 13:5.