1) a mixture of metals, especially a metal of low value mixed with a metal of higher value (alloy)

2) a lawyer who has the right to speak and argue in higher law courts (barrister)

3) a place for higher or professional education; (a group of teachers and students forming) part of a university (college)

4) a long written account (e.g. as prepared for a higher university degree) (dissertation)

5) to promote (a person, job) to a higher o more important position (elevate)

6) a condition of the human body with a temperature higher than usual, especially when a sign of illness (fever)

7) to be friendly towards, chat with, a person in a higher position (hobnob)

8) to hold a higher rank or position than (another person) (outrank)

9) to decide against (a person, decision etc) (especially by using one's higher authority) (overrule)

10) a flat area built at a higher level than the railway line in a train station (platform)