Of water: Having a headlong course, flowing precipitously. Of rain (Scottish): Pouring. Obsolete.

That urinates; (with modifying adverb) that urinates in a specified manner. Also: relating to urination (obsolete). Also of rain: that falls…

Set or growing closely together; thick-set, dense: said of rain, growing crops, reeds in a marsh, etc. Now dialect.

That pours (in various senses); esp. (of rain) that is falling heavily.

Of rain or a shower: heavy.

Of rain: heavy. Obsolete.

Of a shower. Obsolete.

Of rain, etc.: Steady, drenching; continuous. Also, of a day: Characterized by rain of this kind.

Esp. of rain: coming straight down, vertical. Applied esp. to a heavy continuous fall of rain (in later use chiefly in even-down pour, sometimes…

Of rain, etc.: Falling or pouring copiously or in streams, as if from a sluice; streaming, drenching.

Esp. of rain, hail, etc.: that pelts; driving, lashing; (also, of the sun) that beats down. (In quot. 1797 figurative.)

Of rain: Soaking, heavy.

That steeps. Of rain: Soaking. dialect.

That peppers (in various senses of the verb); intense, pungent; incensed; (of rain, etc.) falling heavily, pelting.

Like a torrent in rapidity or violence; torrent-like; rushing; falling in torrents, as rain.

(chiefly in sense 1).

Of rain: falling heavily. See plump, v.1 1a.

Of rain: pouring, falling heavily. Formerly also (of another liquid or its source): †flowing, pouring (obsolete).

That lashes.

suggestive or characteristic of a (south-west) monsoon.

Of rain, etc.: falling in a sheet or sheets, torrential. Cf. sheeted, adj. 2.