Search Result for "pebble": 
Wordnet 3.0

NOUN (1)

1. a small smooth rounded rock;

The Collaborative International Dictionary of English v.0.48:

Pebble \Peb"ble\, n. [AS. papolst[=a]n; cf. L. papula pimple, mote. See Stone.] 1. A small roundish piece of stone; especially, a stone worn and rounded by the action of water; a pebblestone. "The pebbles on the hungry beach." --Shak. [1913 Webster] As children gathering pebbles on the shore. --Milton. [1913 Webster] 2. Transparent and colorless rock crystal; as, Brazilian pebble; -- so called by opticians. [1913 Webster] Pebble powder, slow-burning gunpowder, in large cubical grains. Scotch pebble, varieties of quartz, as agate, chalcedony, etc., obtained from cavities in amygdaloid. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

Pebble \Peb"ble\, v. t. [imp. & p. p. Pebbled; p. pr. & vb. n. Pebbling.] To grain (leather) so as to produce a surface covered with small rounded prominences. [1913 Webster]
WordNet (r) 3.0 (2006):

pebble n 1: a small smooth rounded rock
Moby Thesaurus II by Grady Ward, 1.0:

68 Moby Thesaurus words for "pebble": ace, asphalt, atom, bit, blacktop, carpet, causeway, cement, checkstone, cobblestone, concrete, dab, dole, dot, drakestone, dram, dribble, driblet, dwarf, farthing, fingerstone, flag, fleck, floor, flyspeck, fragment, gobbet, grain, granule, gravelstone, groat, hair, handful, iota, jackstone, jot, little, little bit, metal, minim, minimum, minutiae, mite, modicum, molecule, mote, nutshell, ounce, particle, pave, pebblestone, pinch, pittance, point, scruple, slingstone, smidgen, smitch, speck, spoonful, spot, tar, thimbleful, tiny bit, tittle, trifling amount, trivia, whit
The Free On-line Dictionary of Computing (30 December 2018):

Pebble A polymorphic language. ["A Kernel Language for Abstract Data Types and Modules", R.M. Burstall & B. Lampson, in Semantics of Data Types, LNCS 173, Springer 1984]. (1995-01-26)