p. pr. & vb. n. - of Offer
n. - The act of an offerer; a proffering.
n. - That which is offered, esp. in divine service; that which is presented as an expiation or atonement for sin, or as a free gift; a sacrifice; an oblation; as, sin offering.
n. - A sum of money offered, as in church service; as, a missionary offering. Specif.: (Ch. of Eng.) Personal tithes payable according to custom, either at certain seasons as Christmas or Easter, or on certain occasions as marriages or christenings.