The phrase "at the main entry" is correct and usable in written English.
It can be used to refer to a primary point of access or entrance to a location, such as a building or facility.
Example: "Please meet me at the main entry of the building before the meeting starts."
Alternatives: "at the primary entrance" or "at the front entrance".
Secret Service officials had earlier said he was quickly detained at the main entry.
An outdoor shower stood at the main entry, one of the Neskis' favorite ways to signal "beach house".
At CiderMill, a camera and intercom system at the main entry will be hooked up to the individual houses.
Visitors arriving from the parkway will follow a drawn-out path that begins on one side of the museum and then will turn to run along the front of the building before arriving at the main entry.
The shed -- about as long as a football field -- and its 22-foot-high steel trusses will be preserved, becoming the central organizing element of the complex, housing four glass-enclosed elevators at the main entry.
"Inflected forms," Merriam Webster's writes in its "Explanatory Notes to the Dictionary" section, "are covered explicitly or by implication at the main entry for the base form.
By then the northern entry was regarded as the main entry.
With more than 1 million asylum seekers arriving in Europe this year and a further 1.5 million predicted for next year, the commission's proposals are directed mainly at Greece and Italy, the main entry points from Turkey across the Aegean and Mediterranean Seas.
Given bottled water and about $200 in Israeli currency, the two were driven to the Gaza Strip and taken blindfolded to the dunes near the Israeli settlement of Netzarim, well away from journalists who had gathered at the Erez checkpoint, the main entry to the strip.
Although early Christian theologians speculated in many ways on the Father, Son, and Holy Spirit, no one clearly and fully asserted the doctrine of the Trinity as explained at the top of the main entry until around the end of the so-called Arian Controversy.
The sundial was formerly located slightly further south at the steps of the main entry plaza to the Planetarium, but it now sits directly on the lakefront.
