'Street Arab' definitions:

Definition of 'street arab'

noun

(sometimes offensive) a homeless boy who has been abandoned and roams the streets [syn: street arab, gamin, throwaway]

From: GCIDE

Street \Street\ (str[=e]t), n. [OE. strete, AS. str[=ae]t, fr. L. strata (sc. via) a paved way, properly fem. p. p. of sternere, stratum, to spread; akin to E. strew. See Strew, and cf. Stratum, Stray, v. & a.]
1. Originally, a paved way or road; a public highway; now commonly, a thoroughfare in a city or village, bordered by dwellings or business houses. [1913 Webster]
He removed [the body of] Amasa from the street unto the field. --Coverdale. [1913 Webster]
At home or through the high street passing. --Milton. [1913 Webster]
Note: In an extended sense, street designates besides the roadway, the walks, houses, shops, etc., which border the thoroughfare. [1913 Webster]
His deserted mansion in Duke Street. --Macaulay. [1913 Webster]
2. the roadway of a street[1], as distinguished from the sidewalk; as, children playing in the street. [PJC]
3. the inhabitants of a particular street; as, the whole street knew about their impending divorce. [PJC]
The street (Broker's Cant), that thoroughfare of a city where the leading bankers and brokers do business; also, figuratively, those who do business there; as, the street would not take the bonds.
on the street, (a) homeless. (b) unemployed. (a) not in prison, or released from prison; the murderer is still on the street.
Street Arab, Street broker, etc. See under Arab, Broker, etc.
Street door, a door which opens upon a street, or is nearest the street.
street person, a homeless person; a vagrant. [1913 Webster +PJC]
Syn: See Way. [1913 Webster]