EMB135 CREW BLOCKED ANOTHER ACFT ON THE GND AT OMA.

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ON DEC/TUE/01 FLT REQUESTED PUSHBACK CLRNC FROM OMA GND CTL AT XA30. CLRNC WAS GRANTED. AFTER PUSHBACK; ENG START; AND CHKLIST COMPLETION; FLT REQUESTED TAXI CLRNC FOR DEP AT XA45. FLT WAS CLRED TO TAXI TO RWY 14R. NO CLRNC WAS GIVEN WHICH DIRECTION TO TAXI. FLT TAXIED NBOUND ON TXWY A TO TXWY W; OUR NORMAL TAXI RTE. THE FLC WAS REQUIRED TO CHK ANTI-ICING SYS PRIOR TO DEP AND REQUESTED A LOW PWR ENG RUN-UP FROM GND CTL. CLRNC WAS GRANTED FOR THE ENG RUN-UP TO 'HOLD SHORT 'ON' TXWY W' AND TO 'CONTACT TWR READY FOR DEP.' A SHORT R-HAND TURN ONTO TXWY W YIELDED THE HOLD SHORT BARS AND APCH END OF RWY 14R. THE FLC STOPPED ON TXWY W; HELD SHORT OF RWY 14R AND PROCEEDED WITH THE ENG RUN-UP AT XA50. ANOTHER ACFT; A CESSNA CARAVAN TAXIING TO RWY 14R; REQUESTED DEP CLRNC FROM TWR. TWR CLRED THE CARAVAN FOR TKOF. THE CARAVAN READ BACK THE CLRNC AND ALSO STATED THAT HE COULD NOT TAXI AROUND US TO ENTER ONTO THE RWY. OMA TWR ASKED US IF WE WERE 'HOLDING SHORT 'AT' TXWY W AND WE STATED WE WERE 'HOLDING SHORT 'ON' TXWY W.' THE TWR TOLD US OUR CLRNC WAS TO HOLD SHORT 'AT' TXWY W. THE FLC RESPONDED; 'WE ARE HOLDING SHORT OF RWY 14R 'ON' TXWY W; THE CLRNC WE HAD RECEIVED; AND WE ARE READY FOR TKOF.' NO DISCUSSION FOLLOWED AND WE WERE GIVEN CLRNC FROM TWR TO TAKE OFF ON RWY 14R. THE FLC READ BACK THE CLRNC AND PROCEEDED TO DEPART. TKOF AND DEP WERE UNEVENTFUL. AFTER DEP; THE FLC DISCUSSED AMONGST THEMSELVES THE CLRNC THAT WAS RECEIVED TO 'HOLD SHORT 'ON' TXWY W' AS OPPOSED TO HOLD SHORT 'AT' TXWY W. WE STUDIED THE ARPT DIAGRAM AND BELIEVE COMPLIANCE WITH THE GND CTLR'S INSTRUCTIONS TO 'HOLD SHORT 'ON' TXWY W' WAS PROPERLY FULFILLED. IF THE GND CTLR WANTED US TO HOLD SHORT 'OF' TXWY W 'ON' TXWY A RATHER THAN RWY 14R; THE FLC WOULD HAVE COMPLIED. HOWEVER; THIS CLRNC WAS NOT GIVEN. BOTH ACFT ON THE GND WERE SEPARATED BY A REASONABLE DISTANCE AND THERE WAS NO VIOLATION OF RWY INCURSION.