What's the difference between overhead and telpher?

Overhead

Definition:

(adv.) Aloft; above; in or attached to the ceiling or roof; in the story or upon the floor above; in the zenith.

Example Sentences:

(1) As May delivered her statement in the chamber, police helicopters hovered overhead and a police cordon remained in place around Westminster, but MPs from across the political spectrum were determined to show that they were continuing with business as usual.
(2) Overhead wire problems were causing delays on the east coast mainline into London King's Cross.
(3) Jesús Navas played a one-two with Touré down the right and from his awkward cross the England squad goalkeeper fumbled the ball inside his six-yard area from where Fernando scored with an overhead kick as dextrous as it was surprising.
(4) As fighter jets screamed overhead and tanks churned up the sand, it looked and sounded like the violent protests sweeping the Middle East had spread to the wealthy emirate of Abu Dhabi.
(5) A population based case control study of adult haematological malignancy and distance from, and magnetic fields associated with, overhead (OH) power lines has been carried out in the North West and Yorkshire regions of England.
(6) His body was found on the pavement of Portman Avenue, in East Sheen, an affluent west London suburb, shortly before 7.45am on 9 September last year, just after flight BA76 from Luanda, the Angolan capital, passed overhead.
(7) It cites a battery of reasons, including removing the market distortion and overheads involved in trying to set a price that covers an agency's costs and encouraging the uptake of information and the beneficial innovation that will result.
(8) I used to hear Canada geese sail overhead to a Stoke Newington reservoir behind where I lodged in my London days.
(9) The total lender's unit cost per request received, including direct labor, materials, fringe benefits, and overhead, was $1.526 for originals mailed postpaid by lender, and $1.534 for photocopies mailed.
(10) A Guardian analysis has found: A Luxembourg unit of Shire, the FTSE-100 drug firm behind attention deficit pill Adderall, received more than $1.9bn in interest income from other group companies in the last five years, paying corporation tax of less than $2m over four of the years despite minimal overheads.
(11) Nadal takes the advantage with two overhead smashes - one returned, the other not.
(12) Military helicopters hovered overhead as supporters and opponents of the Muslim Brotherhood clashed in the streets below.
(13) Canalization and drainage of rivers, streams and marches since the beginning of malaria outbreak, widespread use of pesticides during the antimalaria spraying campaigns, only overhead irrigation, permanent maintenance of the lined canal system, induced many ecological constraints to possible snail habitats.
(14) Yaya Toure picked him out with a forensic, scooped pass that he played with the outside of his right boot and Bony watched it drop before trying to score with an overhead kick.
(15) This analytical system has the advantage of providing data on distribution of element concentration in a given specimen in overhead view without involving destruction of the tissue architecture.
(16) Charities which play this game – especially those which go to such pains to show how little they spend on “overheads” – are complicit in the perpetuation of an idea which is harming the sector and ultimately harms society.
(17) For repositioning we used a modified overhead-extension (Extensionsreposition).
(18) At 6pm it sounds like a war zone outside the office: you can hear nothing but sirens and the almost continuous drone of helicopters overhead.
(19) I won’t forget Dean Ashton’s overhead kick , Adrián’s goal or singing Paolo Di Canio’s name for the last time at this special stadium.
(20) London Liverpool Street and lines to East Anglia will be affected for even longer, from December 24 until January 2, with rail diversions and the replacement buses in place to allow for work on signalling, track and overhead power lines.