Burr

Etymology 1
From burre:, perhaps from  byrst: from

Noun

 * 1) A sharp, pointy object, such as a sliver or splinter.
 * 2) A bur; a seed pod with sharp features that stick in fur or clothing.
 * 3) A small piece of material left on an edge after a cutting operation.

Synonyms

 * sticker; bur

Derived terms

 * deburr

Etymology 2
, influenced by bur:

Noun

 * 1) A rough humming sound.
 * 2) A rolled "r".

Verb

 * 1)  To pronounce with a rolled "r".
 * 2)  To make a rough humming sound.

Etymology 3
Origin uncertain.

Noun

 * 1)  A metal ring at the top of the hand-rest on a spear.

Thesaurus
accent, adherent, adhesive, barnacle, belch, blare, blat, boll, bramble, bray, brier, bristle, broad accent, brogue, bulldog, buzz, cackle, cactus, capsule, catchweed, caw, cement, chirr, chiseling, clang, clangor, clank, clash, cleavers, cod, craunch, croak, cross-hatching, crump, crunch, decal, decalcomania, demitint, drawl, engravement, engraving, etch, etching, follicle, gem-engraving, glass-cutting, glue, glyptic, goose grass, graving, grind, groan, growl, grumble, gunk, half tint, hatching, hull, husk, incision, inscript, inscription, jangle, jar, leech, legume, legumen, limpet, line, lining, marking, molasses, mucilage, needle, nettle, paste, pease cod, pericarp, pine needle, plaster, pod, prickle, quill, rasp, regional accent, remora, score, scoring, scranch, scrape, scratch, scratching, scrunch, seed pod, seed vessel, seedbox, seedcase, silique, slash, slashing, snarl, snore, spicule, spiculum, spike, spikelet, spine, sticker, stipple, stippling, syrup, thistle, thorn, tint, tooling, twang, type-cutting, yucca