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keel

1 keel /ˈkiːl/ noun
plural keels
1 keel
/ˈkiːl/
noun
plural keels
Britannica Dictionary definition of KEEL
[count]
: a long piece of wood or metal along the center of the bottom of a boat see picture at boat

on an even keel

: strong and not likely to fail or get worse : in a stable condition
2 keel /ˈkiːl/ verb
keels; keeled; keeling
2 keel
/ˈkiːl/
verb
keels; keeled; keeling
Britannica Dictionary definition of KEEL

keel over

[phrasal verb] informal
: to fall down suddenly