holdfast


hold·fast

noun \ˈhōl(d)-ˌfast\

Definition of HOLDFAST

1
:  something to which something else may be firmly secured
2
a :  a part by which a plant clings to a flat surface
b :  an organ by which a parasitic animal attaches itself to its host

First Known Use of HOLDFAST

1566

hold·fast

noun \ˈhōl(d)-ˌfast\   (Medical Dictionary)

Medical Definition of HOLDFAST

: an organ by which a parasitic animal (as a tapeworm) attaches itself to its host

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