(cricket) The session of a day's play between start of play and lunch.

open up (especially referring to doors)

Any successful means of achieving a result, especially means that are magical or technical, or otherwise beyond the understanding of most people.

A period devoted to a particular activity, e.g. the annual or semiannual periods of a legislative body (that together comprise the legislative term) whose individual meetings are also called sessions.

(music) To hold or participate in a jam session with other musicians.

1½; 1½ times / In a ratio of 3 to 2

A tropical Asian plant (Sesamum indicum) bearing small flat seeds used as food and as a source of oil. / The seed of this plant.

Occurring every 150 years. / Of, or relating to a sesquicentenary.

A 150th anniversary.

(colloquial) A period of time spent engaged in some group activity. / (colloquial) An informal social get-together or meeting to perform a group activity.