ought
1. ought \'o.t\ va [ME oughte (1st & 3d sing. pres. indic.), fr. oughte,
1st & 3d sing]. past indic. & subj. of owen to own, owe - more at OWE : -
used to express moral obligation {~ to pay our debts}, ad visability {~ to
take care of yourself}, natural expectation {~ to be here by now}, or
logical consequence {the result ~ to be infinity}
2. ought \'o.(k)t\ vt [ME oughte, 1st & 3d sing. past indic. of owen]
chiefly Scot 1: OWE chiefly Scot 2: POSSESS
3. ought \'o.t\ n : moral obligation : DUTY
4. ought \'o.t, 'a:t\ var of AUGHT