OBOVAL
Ob*o"val, a. Etym: [Pref. ob- + oval.]
Defn: Obovate.
OBOVATE
Ob*o"vate. a. Etym: [Pref. ob- + ovate.] (Bot.)
Defn: Inversely ovate; ovate with the narrow end downward; as, an obovate leaf.
OBREPTION Ob*rep"tion, n. Etym: [L. obreptio, fr. obrepere, obreptum, to creep up to; ob (see Ob-) + repere to creep.]
1. The act of creeping upon with secrecy or by surprise. [Obs.] Cudworth.
2. (Scots Law)
Defn: The obtaining gifts of escheat by fraud or surprise. Bell.
OBREPTITIOUS
Ob`rep*ti"tious, a. Etym: [L. obreptitus. See Obreption.]
Defn: Done or obtained by surprise; with secrecy, or by concealment of the truth. [R.] Cotgrave.