| phylum of green, nonvascular, seedless plants comprised of true mosses, hornworts and liverworts |
| phase in plant life which starts with a zygote produced by sexual reproduction |
button but·ton (bŭt'n)
n.
A knob-like structure, device, or lesion.
button definition
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button
In addition to the idioms beginning with button, also see cute as a button; have all one's buttons; on the button; push (press) someone's buttons; push the panic button.