The noun temper has 4 senses (first 3 from tagged texts)
1. (3) pique, temper, irritation -- (a sudden outburst of anger; "his temper sparked like damp firewood")
2. (2) temper, mood, humor, humour -- (a characteristic (habitual or relatively temporary) state of feeling; "whether he praised or cursed me depended on his temper at the time"; "he was in a bad humor")
3. (2) temper, biliousness, irritability, peevishness, pettishness, snappishness, surliness -- (a disposition to exhibit uncontrolled anger; "his temper was well known to all his employees")
4. temper, toughness -- (the elasticity and hardness of a metal object; its ability to absorb considerable energy before cracking)
Overview of verb temper
The verb temper has 5 senses (no senses from tagged texts)
1. anneal, temper, normalize -- (toughen (steel or glass) by a process of gradually heating and cooling; "temper glass")
2. temper, harden -- (harden by reheating and cooling in oil; "temper steel")
3. temper -- (adjust the pitch (of pianos))
4. temper, season, mollify -- (make more temperate, acceptable, or suitable by adding something else; moderate; "she tempered her criticism")
5. chasten, moderate, temper -- (restrain or temper)