1. Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America
   - star-thistle, caltrop

Type of: centaury

• muster call
• muster in
• muster out
• muster roll
• muster up
• musth
• mustily
• mustiness
• mustn't
• musty
• mutability
• mutable
• mutableness
• mutably
• mutafacient
• mutagen
• mutagenesis
• mutagenic
• Mutamycin
• mutant
• mutant gene
• mutate
• mutation
• mutational
• mutatis mutandis