As an adjective rosaceae

is .

As a noun meadowsweet is

(botany) a eurasian perennial flowering plant of rosaceae family, filipendula ulmaria .

As nouns the difference between spiraea and meadowsweet

is that spiraea is while meadowsweet is (botany) a eurasian perennial flowering plant of rosaceae family, filipendula ulmaria .

Meadowwort is a synonym of meadowsweet.

As nouns the difference between meadowwort and meadowsweet

is that meadowwort is the plant meadowsweet while meadowsweet is (botany) a eurasian perennial flowering plant of rosaceae family, filipendula ulmaria .

Meadwort is a synonym of meadowsweet.

As nouns the difference between meadwort and meadowsweet

is that meadwort is (obsolete) meadowsweet, a plant found near rivers or on damp ground while meadowsweet is (botany) a eurasian perennial flowering plant of rosaceae family, filipendula ulmaria .

Dollof is a synonym of meadowsweet.

As a noun meadowsweet is

(botany) a eurasian perennial flowering plant of rosaceae family, filipendula ulmaria .

Meadswee is a synonym of meadowsweet.

As a noun meadowsweet is

(botany) a eurasian perennial flowering plant of rosaceae family, filipendula ulmaria .

Bridewort is a synonym of meadowsweet.

As nouns the difference between bridewort and meadowsweet

is that bridewort is any of several flowering plants while meadowsweet is (botany) a eurasian perennial flowering plant of rosaceae family, filipendula ulmaria .

As a noun sir

is a man of a higher rank or position.

As a verb sir

is to address (someone) using "sir".

As an initialism SIR

is surface insulation resistance

As an adverb yowzah is

eye dialect of yes sir|lang=en.

As an interjection yowzah is

wow: an indication of surprise, excitement, or amazement.

As an adjective secant

is intersecting.

As a noun arcsecant is

(trigonometry) function that is the compositional inverse of the secant function symbol: arcsec.

As a symbol arcsec

is arcsecant.

As a noun arcsecant is

(trigonometry) function that is the compositional inverse of the secant function symbol: arcsec.