Definitions:
be obliged to; should (expressing necessity)

expressing an opinion about something that is logically very likely

something that should not be overlooked or missed

grape juice before or during fermentation.

mustiness, dampness, or mould

a condition of heightened aggression and unpredictable behaviour occurring annually in certain male animals, especially elephants and camels, in association with a surge in testosterone level, equivalent to the rutting season of deer and some other mammals

(of a male elephant or camel) in a condition marked by heightened aggression and unpredictable behaviour that usually occurs annually in association with a surge in testosterone level