rill

¹rill

noun \ˈril\

Definition of RILL

: a very small brook

Origin of RILL

Dutch ril or Low German rille; akin to Old English rīth rivulet

First Known Use: 1538

Other Geology Terms

anthracite, boulder, cwm, erratic, igneous, intrusive, mesa, sedimentary, silt, swale

Rhymes with RILL

bill, brill, chill, dill, drill, fill, frill, gill, grill, grille, hill, ill, kill, krill, mil, mill, mille, nil, nill, Phil, pill, prill, quill, shill, shrill, sill, skill, spill, squill, still, swill, thill, thrill, til, till, trill, twill, vill, will

²rill

intransitive verb

Definition of RILL

: to flow like a rill

First Known Use of RILL

1610

³rill

noun \ˈril\

Definition of RILL

: any of several long narrow valleys on the moon's surface

Variants of RILL

rill or rille \ˈril, ˈri-lə\

Origin of RILL

German Rille, literally, channel made by a small stream, from Low German, rill

First Known Use: 1868

Other Astronomy Terms

gibbous, nadir, nebulous, penumbra, retrograde, sidereal, syzygy, wane, wax, zenith