| ESTRAL | • estral adj. Alternative spelling of oestral. • ESTRAL adj. pertaining to estrus, also OESTRAL, ESTROUS, OESTROUS, ESTRUAL.
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| OESTRAL | • oestral adj. Oestrous. • OESTRAL adj. pertaining to oestrus, a period of sexual excitement and ovulation in animals, also ESTRAL, ESTROUS, OESTROUS, ESTRUAL.
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| VESTRAL | • vestral adj. Relating to a vestry. • VESTRAL adj. relating to a vestry.
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| ANCESTRAL | • ancestral adj. Of, pertaining to, derived from, or possessed by, an ancestor or ancestors. • ANCESTRAL adj. relating to ancestors.
 • ANCESTRAL n. a type of relation in logic.
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| FENESTRAL | • fenestral n. (Archaeology) A casement or window sash closed with cloth or paper instead of glass. • fenestral adj. (Architecture) Relating to a window or windows.
 • fenestral adj. (Anatomy) Of or relating to a fenestra.
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| PALESTRAL | • palestral adj. Palestric; relating to wrestling. • PALESTRAL adj. relating to a palestra, a wrestling school.
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| SEMESTRAL | • semestral adj. Synonym of biannual (“half-yearly”). • SEMESTRAL adj. half-yearly, also SEMESTRIAL.
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| ANCESTRALS | • ANCESTRAL n. a type of relation in logic. | 
| CAMPESTRAL | • campestral adj. Relating to open fields or uncultivated land. • CAMPESTRAL adj. of or pertaining to fields or open country, also CAMPESTRIAN.
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| FENESTRALS | • fenestrals n. Plural of fenestral. • FENESTRAL n. a window with some other translucent material instead of glass.
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| ORCHESTRAL | • orchestral adj. Relating to an orchestra or to music played by an orchestra. • orchestral n. (Uncommon) An orchestral performance.
 • ORCHESTRAL adj. relating to or composed for an orchestra, also ORCHESTRIC.
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| PALAESTRAL | • palaestral adj. Alternative form of palestral. • PALAESTRAL adj. related to a palaestra, a wrestling school.
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| SEQUESTRAL | • sequestral adj. (Medicine) Of or pertaining to a sequestrum. • SEQUESTRAL adj. of or like a sequestrum, a portion of dead bone which becomes separated from the sound portion, as in necrosis.
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| SYLVESTRAL | • SYLVESTRAL adj. of a plant, growing typically in woods or bushy places. | 
| TRIMESTRAL | • trimestral adj. (Rare) Of trimesters or the use thereof. • TRIMESTRAL adj. relating to a trimester, a period of three months, also TRIMESTRIAL.
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| ANCESTRALLY | • ancestrally adv. Pertaining to ancestry. • ANCESTRAL adv. relating to ancestors.
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| ORCHESTRALLY | • orchestrally adv. In an orchestral manner. • ORCHESTRAL adv. relating to or composed for an orchestra, also ORCHESTRIC.
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| ORCHESTRALIST | • orchestralist n. A musician who performs as part of an orchestra. • ORCHESTRALIST n. an orchestral composer.
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| ORCHESTRALISTS | • orchestralists n. Plural of orchestralist. • ORCHESTRALIST n. an orchestral composer.
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