the first time a garment is washed, or the water used for the first rinse of laundry

(bound form) liquid cosmetics applied to the head, such as hair oil or tonic.

the first application of water to crops in a growing season

best-quality goods, typically referring to the first harvest or the first batch of a product such as first-press oil or first-pick tea

the status of goods that have just been used for the first time, or the first time an item is put into use