extremum extremum /ɪkˈstriməm/

noun

1. () The point located farthest from the middle of something  ( extreme point , extremum , extreme )
   the point located farthest from the middle of something
    Climbing Mount Everest represents the extreme of human endurance and challenge.
   Climbing Mount Everest represents the extreme of human endurance and challenge.
   
   
2. The most extreme possible amount or value  ( extremum , peak )
   the most extreme possible amount or value
    Voltage peak
   voltage peak
   

 penalty box penalty box /ˈpɛnəlti bɒks/

noun

1. (ice hockey) an enclosed bench to the side of an ice-hockey rink for players who are serving time penalties  ( penalty box )
   (ice hockey) an enclosed bench to the side of an ice-hockey rink for players who are serving time penalties
    After the foul, the player was sent to the penalty box for two minutes.
   After the foul, the player was sent to the penalty box for two minutes.
   
   

 alfalfa alfalfa /ˌælfˈælfə/

noun

1. Leguminous plant grown for hay or forage  ( alfalfa )
   leguminous plant grown for hay or forage
    The farmer uses alfalfa as feed for his cattle during the winter
   The farmer uses alfalfa as feed for his cattle during the winter
   
   
2. Important European leguminous forage plant with trifoliate leaves and blue-violet flowers grown widely as a pasture and hay crop  ( alfalfa , lucerne [British] , Medicago sativa )
   important European leguminous forage plant with trifoliate leaves and blue-violet flowers grown widely as a pasture and hay crop
   
   

 stripe stripe /ˈstraɪp/

noun

1. () An adornment consisting of a strip of a contrasting color or material  ( banding , stripe , band )
   an adornment consisting of a strip of a contrasting color or material
    She wore a band of gold around her wrist as a symbol of prosperity.
   She wore a band of gold around her wrist as a symbol of prosperity.
   
   
2. A narrow marking of a different color or texture from the background  ( bar , stripe , streak )
   a narrow marking of a different color or texture from the background
    A green toad with small black stripes or bars
   a green toad with small black stripes or bars
    May the Stars and Stripes forever wave
   may the Stars and Stripes forever wave
   
3. A kind or category  ( stripe )
   a kind or category
    Businessmen of every stripe joined in opposition to the proposal
   businessmen of every stripe joined in opposition to the proposal
   
4. (military) V-shaped sleeve badge indicating military rank and service  ( chevron , grade insignia , stripe , stripes )
   (military) V-shaped sleeve badge indicating military rank and service
    They earned their stripes in Kuwait
   they earned their stripes in Kuwait
   
5. (military) a piece of braid, usually on the sleeve, indicating military rank or length of service  ( stripe )
   (military) a piece of braid, usually on the sleeve, indicating military rank or length of service
   

verb

1. Mark with stripes  ( stripe )
   mark with stripes