The difference between Mitre and Pollard

Mitre as a noun:

A covering for the head, worn on solemn occasions by church dignitaries. It has been made in many forms, mostly recently a tall cap with two points or peaks.

Mitre as a noun (heraldry):

A heraldic representation of this covering, usually displayed on top of a bishop's or archbishop's coat of arms.

Mitre as a noun:

The surface forming the bevelled end or edge of a piece where a miter joint is made; also, a joint formed or a junction effected by two beveled ends or edges; a miter joint.

Mitre as a noun (historical, numismatics):

A 13th-century coin minted in Europe which circulated in Ireland as a debased counterfeit sterling penny, outlawed under .

Mitre as a noun:

A cap or cowl for a chimney or ventilation pipe.

Mitre as a noun:

A gusset in sewing, etc.

Mitre as a verb:

To adorn with a mitre.

Mitre as a verb:

To unite at an angle of 45.

Pollard as a noun (often, attributive):

A pruned tree; the wood of such trees.

Pollard as a noun:

A buck deer that has shed its antlers.

Pollard as a noun:

A hornless variety of domestic animal, as cattle or goats.

Pollard as a noun (obsolete, rare):

A European chub (Squalius cephalus, syn. Leuciscus cephalus), a kind of fish.

Pollard as a noun (now, _, Australian):

A fine grade of bran including some flour.

Pollard as a noun (numismatics, historical):

A 13th-century European coin minted as a debased counterfeit of the sterling silver penny of , at first legally accepted as a halfpenny and then outlawed.

Pollard as a verb (horticulture):

To prune a tree heavily, cutting branches back to the trunk, so that it produces dense new growth.