radial artery
         n 1: branch of the brachial artery beginning below the elbow and
               extending down the forearm around the wrist and into the
               palm [syn: {radial artery}, {arteria radialis}]

English Dictionary: Radiolaria	by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
Radiolaria n marine protozoa Synonym(s): Radiolaria, order Radiolaria
From WordNet (r) 3.0 (2006) [wn]:
radiolarian n protozoa with amoeba-like bodies and radiating filamentous pseudopods
From WordNet (r) 3.0 (2006) [wn]:
rattler n pit viper with horny segments at the end of the tail that rattle when shaken Synonym(s): rattlesnake, rattler a railroad train consisting of freight cars Synonym(s): freight train, rattler
From WordNet (r) 3.0 (2006) [wn]:
red alert n the highest level of alert when an attack by the enemy seems imminent (or more generally a state of alert resulting from imminent danger)
From WordNet (r) 3.0 (2006) [wn]:
retailer n a merchant who sells goods at retail [syn: retailer, retail merchant]
From WordNet (r) 3.0 (2006) [wn]:
rote learning n memorization by repetition Synonym(s): rote, rote learning
From WordNet (r) 3.0 (2006) [wn]:
Rottweiler n German breed of large vigorous short-haired cattle dogs
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Radiolarian \Ra`di*o*la"ri*an\, a. (Zo[94]l.)       Of or pertaining to the Radiolaria. -- n. One of the       Radiolaria.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Ooze \Ooze\, n. (Oceanography)       A soft deposit covering large areas of the ocean bottom,       composed largely or mainly of the shells or other hard parts       of minute organisms, as Foraminifera, Radiolaria, and       diatoms. The {radiolarian ooze} occurring in many places in       very deep water is composed mainly of the siliceous skeletons       of radiolarians, calcareous matter being dissolved by the       lage percentage of carbon dioxide in the water at these       depths.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Rattler \Rat"tler\, n.       One who, or that which, rattles.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Rattlewort \Rat"tle*wort`\, n. [AS. hr[91]telwyrt.] (Bot.)       Same as {Rattlebox}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Retailer \Re*tail"er\, n.       One who retails anything; as, a retailer of merchandise; a       retailer of gossip.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Roseroot \Rose"root`\, n. (Bot.)       A fleshy-leaved herb ({Rhodiola rosea}); rosewort; -- so       called because the roots have the odor of roses.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Riddler \Rid"dler\, n.       One who riddles (grain, sand, etc.).
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Riddler \Rid"dler\, n.       One who speaks in, or propounds, riddles.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Rotular \Rot"u*lar\, a. [L. rotula, dim. of rota wheel.] (Anat.)       Of or pertaining to the rotula, or kneepan.